SpaceX launched its mega rocket Starship but lost both the booster and the spacecraft in a pair of explosions minutes into Saturday’s test flight.

The first Native American woman in space says she’s overwhelmed by the beauty and delicacy of Mother Earth. She’s also channeling “positive energy” as her five-month mission gets underway at the International Space Station, something she learned from her mother.

The world’s largest and most powerful space telescope rocketed away Saturday on a high-stakes quest to behold light from the first stars and galaxies and scour the universe for hints of life.

Even a fleck of paint can do major damage when orbiting at 17,500 mph — something big, upon impact, could be catastrophic.

Wally Funk will be aboard the July 20 launch from West Texas alongside Bezos, flying in the capsule for the 10-minute hop as an “honored guest”

NASA’s experimental Mars helicopter rose from the dusty red surface into the thin air Monday, achieving the first powered, controlled flight on another planet.

The International Space Station bid adieu Tuesday to 12 bottles of French Bordeaux wine and hundreds of snippets of grapevines that spent a year orbiting the world in the name of science.

Apollo 15 astronaut Al Worden, who circled the moon alone in 1971 while his two crewmates test-drove the first lunar rover, died Wednesday at age 88. Worden died in his sleep at a rehab center in Houston following treatment for an infection, said friend and colleague Tom Kallman. “Al was an American hero whose achievements in space and on Earth…

SpaceX’s swanky new crew capsule made an old-fashioned splashdown in the Atlantic on Friday, ending a six-day test flight to the International Space Station. The Dragon capsule pulled away from the orbiting lab early Friday. Six hours later, the capsule carrying a test dummy parachuted into the ocean, a couple hundred miles off the Florida coast. SpaceX employees cheered and...

A NASA spacecraft 4 billion miles from Earth yielded its first close-up pictures Wednesday of the most distant celestial object ever explored, depicting what looks like a reddish snowman. Ultima Thule, as the small, icy object has been dubbed, was found to consist of two fused-together spheres, one of them three times bigger than the other, extending about 21 miles...