Scientists have been reconstructing the history of the Moon by scouring its surface, mapping its mountains and crater...

Massive solar eruptions take aim at our high-tech society. 93 million miles away... an angry sun vents its rage. Dark...

Why some tropical storms erupt into monster hurricanes capable of wrecking coastlines. Can they be predicted? Hurrica...

From the Cassini spacecraft comes one of the greatest photographic collections. Scientists are using it to uncover a ...

Our Milky Way Galaxy is thought to harbor millions of black holes, the ultra dense remnants of dead stars. But now, i...

The mind-blowing answer comes from a theory describing the first micro-moments of our universe. Just as scientists be...

How long will the Universe as we know it survive? The answer depends on whether Stephen Hawking's theory about how bl...

It's the ultimate buddy movie. Pete Conrad and Alan Bean were the second pair of Apollo astronauts to land on the moo...

Thick dust and blinding starlight have long obscured our vision into the mysterious inner regions of our Milky Way ga...

Did Mars long ago develop far enough for life to arise? If so, does anything still live somewhere underground? The se...

What is the search for Earth-like planets telling us about our place in the cosmos? Is our Earth one of countless lif...

Pandora is the idyllic blue world featured in the movie Avatar. Its location is a real place: Alpha Centauri, the nea...

Long ago, from the fires of our Sun's birth, twin planets emerged: Venus and Earth. Nature draped one world in the gr...

What's the hottest place in the universe? What's it like inside a Black Hole? This video climbs the power scales of t...

Explore the biggest question of all. How far do the stars stretch out into space? And what's beyond them? In modern t...

The hunt for planets beyond our solar system has reached a fever pitch. Scientists are beginning to envision what the...

One of the deepest mysteries about how our universe came to be may finally be yielding to human investigation. Scient...

Cosmology has been turned on its head by a stunning discovery that the universe is flying apart in all directions at ...

Over the next decade, the United States, Japan, India, China, Russia, and even private companies, are planning to sen...

What are the energy extremes that define our universe? And how much power can the cosmos wield? Climb a ladder of inc...

Spy satellites first saw these brief but extremely bright flashes of light in the 1960s. For three decades, gamma ray...

Join a small team of rocket designers as they open a window into the future of space travel.

The two Voyager spacecraft are part of an ancient quest to push beyond our boundaries... to see what lies beyond the ...

There are signs that Earth’s great stores of ice are beginning to melt. With sea levels beginning to rise, scientists...

Follow Dr. Ben Longmier and his team into the rugged Alaskan wilderness on a quest to build a whole new type of rocke...

They are eruptions so vast, so Earth-shattering, they have changed the history of our planet. Climate collapse. Toxic...

The episode of Cosmic Journeys explores the intersection of paleoclimate and current climate science. Through its tur...

Are the universe and its physical laws so fine-tuned that the rise of life is inevitable? Or is life a fluke, a lucky...

Explore the challenges of interstellar flight and the technological possibilities that may one day send us on a long ...

This staggeringly visual feast of a documentary Brings cutting-edge findings of modern astronomy to life with state-o...

Where do you look to glimpse the birth of a solar system like ours? Our sun is thought to have formed along with a ra...

Since its launch 25 Years ago, the Hubble Telescope has returned images of unprecedented beauty of a dynamic and chan...

May 22nd, 2011. A powerful tornado cut a mile-wide swath through Joplin, Missouri, the costliest and one of the deadl...

Asteroids racing through the solar system have smashed into Earth before. What are the chances we'll get hit again? A...

Astronomers are probing the high-energy cosmic frontier with a series of key missions: Fermi, Swift, Chandra, NuSTAR...

Planet hunters have detected nearly 5000 confirmed and candidate planets beyond our solar system. Most sun-like stars...

A startling collision in an ancient galaxy slews Earth's largest telescopes to a spot in the Hydra constellation. Two...