Metallic space balls washed up on Forrest Beach in Queensland, Australia, identified as pressure vessels from a foreign ...

JWST detected rising methane emissions from interstellar comet 3I/ATLAS, exposing ancient interior ice and offering new ...

Six large, shiny spheres washed up on a beach in northeastern Australia late last week, initially prompting alarm from ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

The spacecraft, manufactured by Arizona-based start-up Katalyst Space Technologies, reportedly took just eight months to make ...

Lawmakers and Trump UFO advisors are naming the private corporations who allegedly operate crash retrieval programs and are ...

A three-armed spacecraft is rushing to the rescue of a NASA telescope that’s in danger of crashing back to Earth.

NASA and Arizona-based startup Katalyst launched a robotic spacecraft over the Pacific on Thursday on a mission to rescue an ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...