Space

Small Galaxies Matter Too

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Long ago, our universe was without stars. When that first generation ignited, it completely transformed the cosmos, ripping away the veil of neutral gas that had persisted for hundreds of millions of years. This process, called reionization, is largely mysterious to astronomers. But new research is revealing that the smallest of galaxies may have played the biggest of roles.

Space Launch LIVE: Crew Dragon Splashdown!

Video | 00:46

The SpaceX Crew Dragon spacecraft successfully splashed down into the Gulf of Mexico, near Pensacola, FL, marking the first crew recovery at sea for NASA Astronauts since the year of the final Apollo spacecraft mission in 1975.

The 2020 Planetary Primaries

Video | 04:13

What is your favorite planet? Astrophysicist Paul M. Sutter discusses each planet in our solar system in great detail so you can make an informed decision.

Rising Earth

Video | 03:19

Astronauts Al Worden, Charlie Duke, Michael Collins and Rusty Schweikart discuss the awe-inspiring view of Earth from space.

Apollo 11 Launch

Video | 03:06

Apollo 11 astronaut Mike Collins and engineer Rick Weiss reflect on the launch of the Apollo 11 mission.

Apollo: The Forgotten Films

Video | 01:47

It was mankind's most audacious adventure -- a trip to the moon and back.

The Mercury Missions

Video | 03:30

Rare footage looks at the Mercury missions with John Glenn and the Apollo programs' search for astronauts.

Apollo 1 Accident

Video | 03:06

NASA astronauts Walt Cunningham, Al Worden and Charlie Duke discuss the impact of the Apollo 1 accident on future missions.

Have Aliens Ever Visited Earth

Video | 02:55

Does extraterrestrial life exist out in the universe? Have aliens visited us? Astrophysicist Paul M. Sutter discusses how he does believe there's intelligent life out in the universe but doesn't think they have visited us on Earth.

Blue Origin is Headed to Space with a Lucky +1

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On behalf of Blue Origin, the opportunity of a lifetime is currently being auctioned off: the last seat on New Shepard, heading to space.

Only 12 People Have Been on the Moon

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How to Watch the Orionids Meteor Shower in 2021

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If you've seen a shooting star on a recent stargazing jaunt, you've spotted the very beginning of the Orionids meteor shower. It happens every fall in October or early November, and peak viewing hours are coming soon to skies near you.

Elon Musk Preps for the Future

Video | 00:25

SpaceX CEO Elon Musk -- mere days away from the most important launch in the history of the company.

Journey to the Red Planet with Perseverance and Ingenuity

Photo Gallery | 38 Photos

Got You! Astronomers Find an Especially Sneaky Black Hole

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Black holes are tricky creatures. Since ancient times the practice of astronomy has been to point our eyes and instruments at all the glowing things in the skies above us. But black holes are defined by the fact that nothing, not even light, can escape their gravitational clutches. So how you do see something that is completely, totally black?

NASA’s Perseverance Rover Has Landed on Mars

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After a harrowing landing and traveling nearly 292.5 million miles, NASA's Perseverance with Ingenuity touched down on Mars at 3:55P ET today, February 18, 2021.Congratulations to the teams at NASA and JPL. We cannot wait to see what research comes from this incredible mission.Experience more Mars on discovery+. Download and subscribe to stream NASA Mars Landing: Inside the Mission and When We Left Earth.

Fly Me to the Moon and Mars: SpaceX’s Starship and Spaceports

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Elon Musk’s SpaceX is developing a reusable transportation system for spaceflight to the Moon, Mars, and beyond our wildest space dreams.

Out of This World! Inside Virgin Galactic's Spacecraft

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Buckle up! On July 28, Virgin Galactic is showing the world what the inside of their SpaceShipTwo Unity spacecraft looks like via a livestream on their YouTube channel.