ESA's Atomic Clock Ensemble in Space (ACES) has arrived at NASA's Kennedy Space Center in Florida, United States. This cutting-edge European experiment will test fundamental physics from the outside ...

Astronomers Are Baffled To Find That the Universe Is Expanding Too Fast; 'Not What We Expected' Astronomers routinely ...

NASA appears to be walking back its pledge to land the first woman and person of color on the moon with the agency's Artemis ...

"We're all excited to have you back, and we're ready to leverage your experiences and expertise in the Space Force." ...

The discovery of long-chain organic compounds in a 3.7-billion-year-old rock raises new questions about the Red Planet’s past ...

Frozen fuel from the Falcon 9 rocket launched Monday created a luminous display for several minutes, and was seen by people from England to Eastern Europe.

The Webb Space Telescope has captured a plume of gas and dust streaming from a star in the making, with a spiral galaxy as a ...

International crew of civilian astronauts will fly the first human spaceflight mission over the Earth’s poles as soon as ...

That isn’t real.” My immigrant grandfather Andrew said this in Greek to my parents as they watched the live broadcast on ...

Isaacman has a contract worth tens of millions of dollars, or more, with Elon Musk’s spaceflight and satellite company, ...

As an asteroid mining start-up's latest mission goes awry, Josh Sims looks at how close we really are to extracting rare ...

Two space missions reached their conclusion: one with a splashdown, the other with a quiet lunar death. And thrilling new ...