While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take ...

Ukrainians paused in silence across the country on Tuesday (February 24) as soldiers lowered military flags in the Ukrainian ...

If you think auroras on Earth are a strange and mesmerizing sight, that's nothing like what occurs on the perplexing world of Uranus.

New research using the James Webb Space Telescope offers the most detailed portrait yet of how auroras form on Uranus.

Crew-12 is the first spaceflight for Hathaway and Adenot and the second for Meir and Fedyaev. The cosmonaut was a late addition to the crew, coming aboard in early December to replace his countryman ...

In a meeting with employees at his company xAI, Mr. Musk revealed a vision for a facility that includes a giant catapult to launch his satellites into space. By Kate Conger and Ryan Mac Kate Conger ...

"SpaceX has already shifted focus to building a self-growing city on the moon," Musk said in a post on social media site X. Musk has often spoken about his vision of colonizing other worlds in our ...

Landmark UFO documents smuggled out of Russia 30 years ago — and just publicly revealed — show the Soviets investigated thousands of reports of extraterrestrial craft and encounters with aliens.