The former NASA astronaut who nearly collided with a pair of metallic orbs while flying his plane remains befuddled by the mysterious objects, revealing to The Post they showed “no visible means ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. NASA has announced ...

Two NASA astronauts who flew up to the International Space Station in a Boeing Starliner capsule for a round trip that was supposed to last just over a week will be stuck in space for closer to a ...

Former NASA astronaut Leroy Chiao reported metallic orbs about three feet wide, passed within 20 feet of his plane without warning from air traffic control. Former NASA astronaut Leroy Chiao has ...

The NASA astronauts had originally set off an eight-day mission to the International Space Station in June, only to have a leak in their Boeing Starliner aircraft—related to its propulsion ...

China said two of its astronauts spent nine hours outside the Tiangong Space Station. The longest previous spacewalk, by Americans, was eight hours and 56 minutes. By Chris Buckley Two Chinese ...

The Dragon spacecraft is the private spaceflight company's crewed vehicle that can carry up to seven astronauts at a time into low-earth orbit. "Fabrication, assembly, testing, and final ...

The two NASA astronauts stuck in space after Boeing’s Starliner experienced issues earlier this year have been hit with a new delay. Astronauts Suni Williams and Butch Wilmore were part of ...

The Dec. 16 - Dec. 17 EVA beat the old duration record by 10 minutes. Two Chinese astronauts just secured a spot in spaceflight history. Cai Xuzhe and Song Lingdong, part of China's three-person ...

The astronaut duo who flew the first-ever crewed mission of Boeing's Starliner capsule will have to wait a little longer to rejoin us on Earth. The next crew rotation mission to the International ...