The North American X-15 was built to flirt with the edge of space, not to cross it by accident. Yet on a research mission ...

NASA’s experimental X-59 silent supersonic aircraft performed its historic first flight in October last year. Built by ...

Two Americans and astronauts from Japan and Russia landed in a SpaceX capsule in the Pacific Ocean after a medical issue ...

An ailing astronaut is back on Earth. The crew of four returned Thursday, ending their space station mission more than a ...

The members of Crew-11 — two American, one Russian and one Japanese — splashed down after one became ill, prompting an early ...

NASA has received two F-15 jets which had been retired by the US Air Force in order to advance its supersonic research ...

NASA's X-59 supersonic demonstrator sits partially disassembled at Armstrong Flight Research Center following its October ...

A Crew-11 member, who NASA has yet to identify, had an undisclosed medical concern that triggered the agency to accelerate ...

NASA’s first medical evacuation from space went smoothly with the four members of SpaceX Crew-11 splashing down in the ...

Live updates from the return of the NASA SpaceX Crew-11 astronauts. Splashdown occurred at 3:41 a.m. Jan. 15 off the coast of ...

Following an astronaut's medical issue, NASA and SpaceX are preparing for the early return of Crew-11. Here's what we can ...

During a Jan. 8 press conference, NASA Administrator Jared Isaacman said the crew has completed the majority of their mission ...