Seasons & Episodes
Birth of the Moon
Scientists have been reconstructing the history of the Moon by scouring its surface, mapping its mountains and craters,
Attack of the Sun
Massive solar eruptions take aim at our high-tech society. 93 million miles away... an angry sun vents its rage. Dark re
Super Hurricanes
Why some tropical storms erupt into monster hurricanes capable of wrecking coastlines. Can they be predicted? Hurricanes
Saturn's Mysterious Moons
From the Cassini spacecraft comes one of the greatest photographic collections. Scientists are using it to uncover a tra
The Largest Black Holes in the Universe
Our Milky Way Galaxy is thought to harbor millions of black holes, the ultra dense remnants of dead stars. But now, in t
How Large Is the Universe?
The mind-blowing answer comes from a theory describing the first micro-moments of our universe. Just as scientists began
When Will Time End
How long will the Universe as we know it survive? The answer depends on whether Stephen Hawking's theory about how black
The Incredible Journey of Apollo 12
It's the ultimate buddy movie. Pete Conrad and Alan Bean were the second pair of Apollo astronauts to land on the moon.
Supermassive Black Hole in the Milky Way Galaxy
Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of our Milky Way galax
Mars: Earth That Never Was
Did Mars long ago develop far enough for life to arise? If so, does anything still live somewhere underground? The searc
The Search for Earth-like Planets
What is the search for Earth-like planets telling us about our place in the cosmos? Is our Earth one of countless life-b
Voyage to Pandora: First Interstellar Space Flight
Pandora is the idyllic blue world featured in the movie Avatar. Its location is a real place: Alpha Centauri, the neares
Venus: Death of a Planet
Long ago, from the fires of our Sun's birth, twin planets emerged: Venus and Earth. Nature draped one world in the green
Cosmic Energy: Cold Sparks to Black Holes
What's the hottest place in the universe? What's it like inside a Black Hole? This video climbs the power scales of the
Is the Universe Infinite?
Explore the biggest question of all. How far do the stars stretch out into space? And what's beyond them? In modern time
Alien Planets & Eyeball Earths: The Search for Habitable Planets
The hunt for planets beyond our solar system has reached a fever pitch. Scientists are beginning to envision what these
The Riddle of AntiMatter
One of the deepest mysteries about how our universe came to be may finally be yielding to human investigation. Scientist
Mysteries of a Dark Universe
Cosmology has been turned on its head by a stunning discovery that the universe is flying apart in all directions at an
Crashing Into the Moon
Over the next decade, the United States, Japan, India, China, Russia, and even private companies, are planning to send s
The Most Powerful Objects in the Universe
What are the energy extremes that define our universe? And how much power can the cosmos wield? Climb a ladder of increa
Birth of a Black Hole
Spy satellites first saw these brief but extremely bright flashes of light in the 1960s. For three decades, gamma ray bu
Plasma Rockets & Solar Storms
Join a small team of rocket designers as they open a window into the future of space travel.
Voyager: Journey to the Stars
The two Voyager spacecraft are part of an ancient quest to push beyond our boundaries... to see what lies beyond the hor
Earth in 1000 Years
There are signs that Earth’s great stores of ice are beginning to melt. With sea levels beginning to rise, scientists
Reinventing Space Flight
Follow Dr. Ben Longmier and his team into the rugged Alaskan wilderness on a quest to build a whole new type of rocket e
Supervolcanoes
They are eruptions so vast, so Earth-shattering, they have changed the history of our planet. Climate collapse. Toxic tu
Fate of Antarctica
The episode of Cosmic Journeys explores the intersection of paleoclimate and current climate science. Through its turbul
Life: Destiny or Chance?
Are the universe and its physical laws so fine-tuned that the rise of life is inevitable? Or is life a fluke, a lucky ro
Interstellar Flight
Explore the challenges of interstellar flight and the technological possibilities that may one day send us on a long voy
The Age of Hubble
This staggeringly visual feast of a documentary Brings cutting-edge findings of modern astronomy to life with state-of-t
Glimpsing the Solar System's Birth
Where do you look to glimpse the birth of a solar system like ours? Our sun is thought to have formed along with a range
Hubble: Universe in Motion
Since its launch 25 Years ago, the Hubble Telescope has returned images of unprecedented beauty of a dynamic and changin
SuperTornado: Anatomy of a MegaDisaster
May 22nd, 2011. A powerful tornado cut a mile-wide swath through Joplin, Missouri, the costliest and one of the deadlies
Day of the Asteroid
Asteroids racing through the solar system have smashed into Earth before. What are the chances we'll get hit again? Arme
Black Holes and the High Energy Universe
Astronomers are probing the high-energy cosmic frontier with a series of key missions: Fermi, Swift, Chandra, NuSTAR, a
The Improbable Rise of Planet Earth
Planet hunters have detected nearly 5000 confirmed and candidate planets beyond our solar system. Most sun-like stars, i
Star Crash: The Explosion that Transformed Astronomy
A startling collision in an ancient galaxy slews Earth's largest telescopes to a spot in the Hydra constellation. Two ra
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