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0:05:55

Ex-NASA official explains what makes Artemis I splashdown unique

0:09:30

NASA's InSight probe lands on Mars

0:06:51

Why NASA's new Jupiter images matter to space exploration

0:04:49

He spent 520 days in space. Hear his tips for coping with isolation

0:03:46

NASA rover discovery reveals there may have been life on Mars

0:10:15

See the moment Orion spacecraft splashed down in the Pacific Ocean

0:05:42

NASA releases stunning photo of Earth

0:01:48

Astronaut's record-breaking year in space

0:02:59

Last man to walk the moon, Gene Cernan, dies

0:05:10

Why NASA cancelled launch of massive new rocket

0:01:07

New Horizons passes Pluto after 3 billion-mile journey

0:01:24

Space Junk Orbits Earth

0:02:08

Orion launch is a GO

0:02:00

How Philae space probe docked on comet

0:01:45

Huge asteroid to fly by Earth

0:02:12

Way Up There: Explore the future of space travel

0:02:50

Bill Nye: Asteroid is much bigger

0:01:28

Hundreds more worlds in our solar system?

0:05:28

Voyager 1: Where no man-made object has gone before

0:09:18

Dr. Sanjay Gupta speaks with Scott Kelly during the final...

0:01:35

Mark Kelly: Orbital science is a 'risky business'

0:01:19

NASA finds 'Earth's bigger, older cousin'

0:09:43

Watch NASA's James Webb Space Telescope launch into orbit

0:01:25

NASA to crash spacecraft into Saturn