Astronomers are laying the groundwork to locate a new planet for the human race to inhabit, and the more alien worlds they discover and encounter, the more they unmask the mysterious and truly destructive nature of the cosmos.
From the mission that saw Pluto for the first time to the Mars 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.
2016 • Astronomy
Meet the scientists across the world on the hunt for dark energy, an unknown form of energy which is hypothesized to permeate all of space and may be accelerating the expansion of the universe.
2016 • Astronomy
An exploration of the dramatic fate of our future descendants, the technology they'll need to survive the end of this world billions of years from now and our options for colonizing and starting again on a new planet somewhere far from Earth.
2016 • Astronomy
A soaring quest through the solar system’s exotic and hidden water realms, from the deep seas below the icy crust of Europa to the vast prehistoric oceans that once existed on Mars billions of years ago.
2016 • Astronomy
Voyager has had a profound effect on our knowledge of the cosmos. Its mission was supposed to last five years but remains ongoing, fundamentally changing our understanding of the solar system. Featuring contributions from key scientists, we’ll explore what’s been achieved and what happens next.
2016 • Astronomy
When a strange alien object is discovered speeding through our solar system, experts race to uncover if it's real evidence of extraterrestrial contact or a deadly asteroid on a collision course with planet earth.
2018 • Astronomy
The new discovery of seven alien Earth-like planets in a faraway solar system is a major milestone in our hunt for extraterrestrial life, and experts investigate the secrets of TRAPPIST-1's mysterious worlds to reveal if we're truly alone in the universe.
2018 • Astronomy
Jupiter, Saturn, Uranus, and Neptune are homes to the deadliest storms in our solar system, and new discoveries reveal the secrets of this hellish alien weather, helping experts understand these alien worlds better than ever.
2019 • Astronomy
New discoveries help experts in their search for the first alien moon outside our solar system, which could be Earth-like worlds with the potential for life; they haven't found any, but 21st-century methods might change everything.
2019 • Astronomy
New evidence is rewriting the history of our solar system, and using the latest discoveries and cutting-edge tech, experts are investigating if our cosmic neighborhood once featured oversized alien Earths and a second Sun.
2019 • Astronomy
Shocking new evidence has convinced some of the world's greatest physicists that the universe is a hologram. Using cutting-edge technology, they investigate the secrets of black holes and space-time to build the case for this game-changing discovery.
2019 • Astronomy
New discoveries might finally reveal how supermassive black holes are made, and using the latest technology, experts are on the verge of understanding how these monsters grow and how they affect life on our planet.
2019 • Astronomy
The latest NASA missions to Mars might finally reveal if it is home to alien life, and using these brand-new discoveries, experts are rethinking everything they know about the Red Planet.
2019 • Astronomy
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.
2020 • Astronomy
A spacecraft captures the first close-up images of the dwarf planet Pluto. Space's Deepest Secrets shares stories of the men and women who pushed their ingenuity and curiosity to uncover some of the most groundbreaking findings in the history of space exploration.
2020 • Astronomy
Across the Milky Way, galaxies are going dark, and scientists don't know why the stars are losing their shine; astronomers race against time to uncover the truth behind how galaxies are born and how they die before all of the lights go out.
2020 • Astronomy
Astronomers are laying the groundwork to locate a new planet for the human race to inhabit, and the more alien worlds they discover and encounter, the more they unmask the mysterious and truly destructive nature of the cosmos.
2021 • Astronomy
Astronomers make an extraordinary discovery when they uncover a cosmic mega-structure that's one billion light-years long, and now investigators race to decode the hidden forces that shape the most massive and mysterious structure known in the Universe.
2021 • Astronomy
Einstein predicted strange cosmic phenomena known as white holes, but scientists have yet to prove they exist; as experts investigate the tiny black holes that hide in the most ancient parts of the universe, they might finally find the smoking gun.
2021 • Astronomy
Astronauts have detected a mysterious region of space that's dangerous for reasons they have yet to understand, and scientists believe the long-term effects of this danger zone may have implications for the future of humanity both in space and on Earth.
2021 • Astronomy
Astronomers are finally unlocking the mysteries to the alien underworlds of Uranus and Neptune; experts reveal how an ancient mega-collision and a missing twin planet could uncover the secrets of these strange and frozen worlds.
2021 • Astronomy
One of NASA's most ambitious missions, OSIRIS-REx, is investigating the asteroid Bennu in more detail than ever before, revealing how space rocks can kick-start life on other planets and how they could possibly hold answers to the secrets of the Solar System.
2021 • Astronomy
Outer space has been transformed from a realm of scientific endeavor to the US military's newest battlefield. From anti-satellite missiles to laser technology, discover the cutting-edge race to build the ultimate space weapon.
2021 • Technology
NASA has taken us to the outer reaches of our Solar System, but there are still many mysteries to explore. New probes are being designed to look at our sun, the deep oceans of icy moons, and perhaps even our closest neighboring system - Alpha Centauri.
6/6 • Space Probes • 2016 • Astronomy
In July 1969, history was made as 600 million people watched Neil Armstrong's giant leap for mankind on the surface of the moon. But behind these iconic images is an untold story. Now, 50 years later, Discovery and Science Channel celebrate the Apollo 11 moon landing with a two-hour television event, APOLLO: THE FORGOTTEN FILMS, that tells the complete story of this most audacious of missions. Featuring forgotten and never-before-seen footage from events surrounding the landmark mission, the documentary by Duncan Copp traces the decade's worth of effort involving half a million scientists that was required to enable that "one giant leap for mankind". The archives reveal the incredible lengths an army of engineers, scientists and astronauts went to, to achieve America's greatest technological feat.
2019 • Astronomy
We strip apart comets, peeling away their dusty layers and their iconic tails to reveal the secrets of these mysterious visitors from deep space.
6/6 • Strip the Cosmos • 2014 • Astronomy
How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth, and from that the distance to and the sizes of the Moon and Sun. Once the Earth/Sun distance was found, parallax was used to find the distance to nearby stars, and that was bootstrapped using brightness to determine the distances to much farther stars.
25 • Crash Course Astronomy • 2015 • Astronomy
If humans could easily travel to Mars, it still remains to be proven that they can settle down there. Scientists are now designing and testing a new generation of spacesuits, dwelling-units and several other technologies in order to make it possible to live and work on the red planet.
2018 • Astronomy
This is the story of two of the biggest scientific breakthroughs of the 21st century, told by the incredible scientists who made them happen. The first is LIGO’s measurement of gravitational waves coming from a black hole merger, and the second, the Event Horizon Telescope’s image of a black hole.