The troubled test flight of Boeing’ Starliner capsule — which turned into a monthslong stay in space for two astronauts — was a debacle in league with shuttle disasters, NASA said.

Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

Four astronauts are preparing to fly beyond low Earth orbit and orbit the Moon during NASA’s Artemis II mission, which will test spacecraft systems, flight operations, and crew procedures. The crew, ...

Christa McAuliffe prepares for a ride in the rear station of one of NASA’s T-38 jet trainers on Oct. 10, 1985. The explosion of the 1986 NASA Challenger mission took the life of New Hampshire teacher ...

One of NASA’s vintage research aircraft made a gear-up landing at a Houston airport due to an unidentified mechanical problem, sliding its way across the runway while leaving a fiery trail behind. A ...

Christa McAuliffe prepares for a ride in the rear station of one of NASA’s T-38 jet trainers at Ellington Field near Johnson Space Center in Houston, Oct. 10, 1985. Two former Concord High School ...

Far away on desolate Mars, a set of dust and rock samples awaits a ride that might never come. After years in limbo, NASA’s groundbreaking Mars Sample Return (MSR) programme, which was supposed to ...

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