The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

Space science has a long tradition of bold claims followed by even bolder scrutiny. Some of the most headline-grabbing ...

NASA's Swift Observatory is in peril. A last minute mission to save it could make spaceflight history. Here's everything to ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

With Russia increasing disruption to European infrastructure in orbit, including jamming, and monitoring of essential ...

An interstellar comet that passed through the Solar System last year may be up to 12 billion years old – far older than the Sun.

NASA's James Webb Space Telescope is finding clues that are leading scientists toward the origins of the interstellar comet ...