Humans could be reached by aliens in less than 116 days, according to one Harvard professor, who says an unexplained object flying towards Earth might be a "hostile" alien spacecraft. Professor Loeb ...

The eerie purple orb freaking out social media is actually Spudnik-1, a homegrown ISS potato pointing to NASA's plans for ...

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

"Considering the direction and frequency of our most common signals gives insights into where we should be looking to improve our chances of detecting alien technosignatures." When you purchase ...