Astronomers are puzzled by a strong burst of radio waves traced back to a NASA satellite that had been inactive since the ...

After two billion miles and nearly three decades, NASA is ready to trade in its old, leaky space station for a flashy new one ...

NASA’s X-43A hypersonic research vehicle, part of the “Hyper-X” program, still holds the world record for an air-breathing ...

A NASA instrument aboard the International Space Station has detected contamination from Mexican sewage that spilled into the ...

NASA's car-sized Perseverance rover has been roaming the surface of Mars for four years, drilling into the alien soil to ...

NASA satellites looked down on huge cracks forming in sea ice in Canada's far north. What is it? The Amundsen Gulf is named ...

A NASA team specializing in collecting imagery-based engineering datasets from spacecraft during launch and reentry is ...

NASA's Parker Solar Probe has made its final close approach to the sun, reaching 3.86 million miles as it seeks to understand ...

NASA budget proposal slashes science funding by 47%, putting more than 40 current and planned missions at risk.

Retired NASA agent Joseph Gutheinz dismisses UFO claims, noting interstellar travel would take 70,000 years and suggesting ...

The solar flare peaked at 5:49 p.m. EDT on Tuesday, NASA's Solar Dynamics Observatory said. It was an X-class flare — the ...

If initial results hold up, NASA says the delayed launch of a commercial research mission to the station could come as early ...