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From the mission that sawPluto for the first time to theMars rovers, a new breed of explorers are risking their careers, and even their lives, to lead humanity to worlds we have never seen and tackle the mysteries of life itself.

Meet the scientists across the world on the hunt fordark energy, an unknown form of energy which is hypothesized to permeate all ofspace and may be accelerating the expansion of theuniverse.

An exploration of the dramatic fate of our future descendants, the technology they will need to survive the end of this world billions of years from now, and our options for colonizing a newplanet somewhere far from Earth.

A soaring quest through theSolar System's exotic and hidden water realms, from the deep seas below the icy crust ofEuropa to the vast prehistoric oceans that once existed onMars billions of years ago.

Thirty-five years after leaving Earth, theVoyagerspacecraft is going to leave theSolar System. The incredible story of a mission that was only supposed to last five years but is still going today.

The story of how a largeaerospace company,BAE Systems, began a secret project to counter the force ofgravity whileNASA simultaneously ran a similarBreakthrough Propulsion Physics Program.

The future ofspace travel is under attack – by millions of pieces of debris from oldsatellites and missions that surround Earth. Go inside the effort by theUnited States Government and others to combat the lethal threat ofspace junk.

A team of scientists are looking for the very firststars in theuniverse, which were born moments after theBig Bang and gave creation the earliest ingredients for life. Go inside this groundbreaking quest for this pivotal moment.

When theSunflares up, billions of tons of superheated gas and intenseradiation are propelled toward Earth. Experts are trying to predict what is coming toward the Earth and how to prepare for this threat.

An in-depth look at howNASA is preparing for its most ambitious and dangerous mission yet: To land a human being on the surface ofMars.

The discovery ofexoplanets pushes scientists to reexamine the origin of theSolar System. The evidence infers a tale of unrestrained collisions and chaos.

Scientists are working to determine ifparallel universes exist.

Scientists are on the hunt to finally crack the dark secrets of theatoms that make up theuniverse.

Inside thesupermassive black hole that sits in the middle of ourgalaxy.

The show counts down the greatest moments inNASA's nearly 60-year history, revealing the incredible stories behind the missions and discoveries that have remade our understanding of the Final Frontier.

New discoveries on alienplanets reveal the most violent storms and strangest weather in theuniverse. On some planets, there might be rain ofrubies and diamonds, and others could havesupersonic winds and extreme temperatures.

Researchers investigate the dark secrets of the mysterious phenomena known asblack holes.

NASA'sJuno mission reveals secrets aboutJupiter, a strange world that is more like astar than aplanet. Learning what lies beneath the planet's violent storms provides scientists with a new understanding of theSolar System.

New research into theSolar System's alienvolcanoes reveal shocking discoveries. Many of these fiery wonders are similar to the volcanoes on Earth, and some might even have created the conditions forextraterrestrial life.

Recent discoveries have revealed vast clouds ofdark matter in theuniverse This mysteriousmatter could be proof thatmultiple universes exist. Researchers investigate the secrets of dark matter.

Scientists believe that there is an undiscovered massiveplanet lurking at the edge of theSolar System. Join researchers as they hunt for this mysterious world, an investigation that could reveal the secret history of the Solar System's formation.

The most extremestars in ouruniverse could be the key to understanding life in thecosmos. These monster stars are among the oldest in the universe, and can be hundreds of times larger than theSun and burn over million times brighter.

For decades, researchers have been scouring theuniverse forsignals from extraterrestrials. New discoveries reveal mysterious fast radio bursts fromspace that may be the key to confirming life in thecosmos.

Scientists are in a race to find the beginning of time and space, theBig Bang. Cutting-edge technology helpsastronomers look back in time to uncover the mysteries of theuniverse's creation, revealing the first moments of thecosmos.

New telescope technology has helped astronomers to explore the never-before-seen invisibleuniverse. These modern marvels ushered in a new age of discovery, revealing secrets ofspace, from giantblack holes tosupernovas.

Meteors are a deadly threat for ourplanet, but new technology may provide a way for Earth to fight back when they attack. Join experts as they uncover the mysteries behind these fascinating and terrifying celestial objects.

Space entrepreneurs are on a race to transformspace travel and create a home for humans beyond Earth. In this 21st centurySpace Race, meet visionaries as they plan regularrocket launches,space hotels, andcolonies onMars.

Astronomers are on the hunt for the groundbreaking discovery that confirmsextraterrestrial life. Using state-of-the-art technology like theKepler space telescope, scientists examine thousands ofexoplanets in search of another Earth.

Go insidethe final moments ofNASA'sCassini 20-year mission, which exploredSaturn and itsmoons.Cassini revealed the secrets of strange new worlds that could harbor life, changing what we know about theSolar System.

The latest discoveries reveal the mysterious and ever-changing nature of theSun.Astronomers are only now beginning to understand the vast power of our giantstar, and new ground-breaking investigations show it like never before.

Scientists on the hunt forextraterrestrial life suspect that it might exist in theSolar System. Using the latest discoveries, experts might at last confirm that our neighbors might harbor alien life.

Three scientists won the Nobel Prize for their groundbreaking discovery ofgravitational waves. These mysterious ripples in space and time were theorized byAlbert Einstein and might reveal the secrets behind the birth of theuniverse.

New discoveries have experts on the hunt forextraterrestrial life in theSolar System and elsewhere in thecosmos. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "Expedition Extraterrestrial" (Season 3, Episode 7) and "Search for Alien Earths" (Season 3, Episode 4).

New discoveries reveal the secrets of the most extremestars in theuniverse. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episode "Rise of the Monster Stars" (Season 2, Episode 8) and theHow the Universe Works episode "Stars That Kill" (Season 5, Episode 4).

New discoveries uncover the mysterious nature ofblack holes. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episode "Black Holes: The Einstein Prophecy" (Season 2, Episode 3) and theHow the Universe Works episode "Black Holes: The Secret Origin" (Season 5, Episode 2).

New discoveries reveal the secrets of theSun. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episode "The Sun's Greatest Mysteries" (Season 3, Episode 6) and theStrip the Cosmos episode "Hunting a Comet" (Season 1, Episode 6).

Go inside the untold stories of some ofNASA's greatest and most legendary missions. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "Cassini′s Grand Finale" (Season 3, Episode 5) and "Secret History of theVoyager Mission" (Season 1, Episode 5).

As modern-day explorers race to send humans toMars, the latest discoveries uncover the dangerous secrets of the Red Planet. This special consists entirely of segments previously aired as part of theMars: The Secret Science episode "Race to the Red Planet" (Season 1, Episode 1) and theHow the Universe Works episode "Life and Death on the Red Planet" (Season 5, Episode 6).

New discoveries uncover possible evidence ofalien life. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episode "Stranger Signals from Alien Worlds" (Season 2, Episode 9) and theStrip the Cosmos episode "Alien Worlds" (Season 1, Episode 5).

New discoveries reveal the secret dangers lurking in thecosmos. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episode "When Meteors Attack" (Season 3, Episode 2) and theHow the Universe Works episode "The Universe's Deadliest" (Season 5, Episode 5).

New discoveries uncover the true story of theuniverse's creation. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "Secret History of the Big Bang" (Season 2, Episode 10) and "Quest for the First Star" (Season 1, Episode 8).

New discoveries shed new light ondark matter, one of theuniverse's biggest mysteries. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episode "Curse of Dark Matter" (Season 2, Episode 6) and theHow the Universe Works episode "The Dark Matter Enigma" (Season 5, Episode 7).

The latest discoveries reveal the dark secrets of the deadlieststars of thecosmos. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episode "Rise of the Monster Stars" (Season 2, Episode 8) and theHow the Universe Works episode "Stars That Kill" (Season 5, Episode 4).

The latest discoveries reveal the dark secrets behind theBig Bang, the mysterious moment when theuniverse was born. This special is a duplicate of the Season 3Space's Deepest Secrets special "Mysteries of the Big Bang," which itself consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "Secret History of the Big Bang" (Season 2, Episode 10) and "Quest for the First Star" (Season 1, Episode 8).

Time travel is less impossible than we think, and the newest discoveries inspace andtheoretical physics have us on the brink of cracking one of theuniverse's greatest puzzles.

An investigation into whetherparallel universes exist and the possibility of traveling through time and space to reach them. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "The Time Travel Enigma" (Season 4, Episode 1) and "The Truth Behind Parallel Universes" (Season 1, Episode 12).

The latest science reveals what it would take to build colonies onMars and how our future on the Red Planet might be closer than we think.

New discoveries are helping experts map the entireuniverse, and they are finding strange truths about thecosmos and its unimaginable size.

New discoveries reveal thatMars was once home toalien life, and today, modern-day explorers are trying to transform thisdesert world into a new Earth-likeplanet for humans. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episode "Mission to the Red Planet" (Season 4, Episode 2) and theHow the Universe Works episode "Life and Death on the Red Planet" (Season 5, Episode 6).

New discoveries of alien earths reveal vital clues in findingextraterrestrial life. Using the latest science and technology, experts reveal the strange landscapes and oceans of these distant worlds.

New discoveries reveal the secrets of theuniverse's most unknown and mysterious places. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "Hunt for the Edge of the Universe" (Season 4, Episode 3) and "Hunt for the Hidden Cosmos" (Season 3, Episode 1).

New discoveries change everything known aboutblack holes, and using the latest science and technology, experts reveal secrets of the mysteries behind these strange and deadly places.

New discoveries uncover the secrets of theuniverse's strange alien worlds that could be home toextraterrestrial life. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episode "Journey to Alien Earths" (Season 4, Episode 4) and theHow the Universe Works episode "Strangest Alien Worlds" (Season 5, Episode 8).

New discoveries reveal that theMoon could be the next home for human life, triggering a new internationalspace race to make it the home of humanity's firstspace colony.

New discoveries reveal the secrets ofblack holes, theuniverse's most dangerous and mysterious phenomena. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "Wrath of the Black Hole" (Season 4, Episode 5) and "Black Holes: The Einstein Prophecy" (Season 2, Episode 3).

Modern-day explorers are competing in a newspace race to send the first people toMars, and cutting-edge technology might make the Red Planet the next home for human life.

The latest science sheds new light on theMoon, a world of mysterious phenomena and a possible new home for humanity. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episode "New Race to the Moon" (Season 4, Episode 6) and theHow the Universe Works episode "Secret History of the Moon" (Season 4, Episode 6).

New discoveries reveal the mysteries and dangers onMars, and if theplanet is ready to support a human civilization. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "Mission to the Red Planet"" (Season 4, Episode 2) and "Mars: The Next Frontier" (Season 4, Episode 7) and theStrip the Cosmos episode "Expedition Mars" (Season 1, Episode 4).

NASA'sJuno mission is the closest humans have exploredJupiter, and its incredible images reveal thegas giant's deepest secrets and how this deadly world helped create theSolar System.

New discoveries fromNASA's expedition toJupiter have changed everything we thought we knew about this strange and deadly world. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "Secret History of theJuno Mission" (Season 4, Episode 8) and "Secret History of Jupiter" (Season 2, Episode 4).

Theaurora borealis is one of Earth's most incredible sights, and new discoveries finally explain why these mysterious lights appear and what they reveal about theSun's sinister and deadly powers.

New discoveries reveal the dark power of the Sun and how its strange behavior affects life on Earth.

New discoveries reveal the dangers thatasteroids pose to planet Earth, but also that these rocky worlds could be the next destination for human space colonization.

NASA'sVoyager,Cassini, andJuno missions are groundbreaking scientific feats that changed everything we know about ouruniverse, and testimony from the modern-day explorers behind these expeditions reveal the incredible secrets they discovered. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "Secret History of theVoyager Mission" (Season 1, Episode 5), "Cassini′s Grand Finale" (Season 3, Episode 5) and "Secret History of theJuno Mission" (Season 4, Episode 8).

NASA's mission toPluto gathered the first close-up pictures of this strange and distant world, and now new discoveries and the latest science reveal the secrets of its alien features, which could point toextraterrestrial life.

New discoveries reveal that things humans know about theMoon could be wrong, and now investigators are working to understand the mysteries of its dark and violent past.

Experts are discovering new Earth-likeplanets all over ouruniverse, and using the latest science, they investigate the secrets of these strange worlds that could be homes forextraterrestrial life. This special consists entirely of segments previously aired as part of theSpace's Deepest Secrets episodes "Search for Alien Earths" (Season 3, Episode 4) and "Journey to Alien Earths" (Season 4, Episode 4).

A mysterious star hundreds oflight years away might hold the hard evidence ofextraterrestrial life, as experts speculate that its bizarre behavior points to proof of a massive alien-mademegastructure.

New technology helps experts make startling discoveries about the origins of theuniverse'sstars, revealing the secrets of how they transformed thecosmos. This special consists entirely of segments previously aired as part of theHow the Universe Works episode "Extreme Stars" (Season 1, Episode 4) and theSpace's Deepest Secrets episode "Quest for the First Star" (Season 1, Episode 8).

New discoveries are changing what humans know aboutSaturn's rings, revealing that they are newer and more mysterious than most imagined, and that some day soon they might disappear forever.

Cutting-edge technology developed atNASA reveals the hidden secrets and strange phenomena on theSolar System's biggest planet,Jupiter.

When a strange alien object is discovered speeding through ourSolar System, experts race to uncover if it is real evidence ofextraterrestrial contact or a deadlyasteroid on a collision course with Earth.

The new discovery of sevenalien Earth-like planets in a farawayplanetary system is a major milestone in the hunt forextraterrestrial life. Experts investigate the secrets ofTRAPPIST-1's mysterious worlds to reveal if Earthlings are alone in theuniverse.

Jupiter,Saturn,Uranus, andNeptune are homes to the deadliest storms in theSolar System, and new discoveries reveal the secrets of this alien weather, helping experts to understand these alien worlds better.

New discoveries are helping experts in their search for the firstalien moon outside theSolar System, which could be Earth-like worlds with the potential forlife. They have not found any yet, but 21st century methods may succeed.

New evidence is rewriting the history of theSolar System, and using the latest discoveries and cutting-edge technology, experts are investigating if our cosmic neighborhood once featuredoversized alien Earths and a second sun.

Shocking new evidence has convinced some of the world's greatestphysicists that theuniverse is ahologram. Using cutting-edge technology, they investigate the secrets ofblack holes andspacetime to build the case for this game-changing discovery.

New discoveries reveal secrets ofcomets, and using the latest technologies, experts might prove that these mysterious alien visitors are the reason for all life on Earth.

New discoveries might finally reveal howsupermassive black holes are made, and using the latest technology, experts are on the verge of understanding how they grow and how they affect life on Earth.

New discoveries reveal the apocalyptic threats that theSun poses to life on Earth, and using the latest technologies, experts are uncovering the deadly secrets of theSolar System'sstar.

New discoveries reveal the apocalyptic consequences of anasteroid strike, and using cutting-edge science, experts are racing to develop technologies that can destroy these deadly killers before they unleashArmageddon.

The latestNASA missions toMars might finally reveal if it is home toalien life, and using these new discoveries, experts are rethinking what they know about the Red Planet.

New images of the dwarf planet Pluto reveal an active world once thought to be geologically dead. And, using cutting-edge technology, experts uncover if there could be alien life on Pluto.

NASA's brand-new Mars rover is on the hunt for alien life, and with the help of cutting-edge engineering, scientists embark on a search for fossilized remains, which might prove the Red Planet was once home to a vast ocean and extraterrestrial life.

Scientists and astronomers explore why galaxies are going dark across the Milky Way.

Generations of astronomers have attempted to solve the mysteries of Jupiter, the most fierce and extreme planet in the Solar System, and now experts reveal new evidence that could unlock the secrets of why this planet is so strange.

Astronomers unmask the truly destructive nature of the cosmos.

Astronomers discover a cosmic structure over a billion light years long.

Einstein's theory of relativity predicts the existence of white holes.

Scientists have detected a region of space they have yet to understand.

Astronomers finally unlock the mysteries of Uranus and Neptune.

NASA investigates an asteroid in more detail than ever before.

Discover the cutting-edge race to build the ultimate space weapon.

Two-hour episode that presents the history of theHubble Space Telescope, its repairs, and some of the discoveries resulting from Hubble's images and data.

Two-hour episode that chronicles the SpaceX Dragon 2 space capsule becoming the first private company to fly a crewed orbital spacecraft to the International Space Station.

Two-hour episode that highlights missions to explore Pluto (New Horizons), Hubble Telescope (repair), asteroid Bennu (OSIRIS-REx), Mars (Curiosity) and Saturn (Cassini). This special is a repeat of theSpace's Deepest Secrets episode "The Universe's Greatest Hits" (Season 1, Episode 1) with no changes except for new title.