Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Could a comet’s tail pointing towards the Sun possibly indicate alien technology, or is it just a strange quirk of dust ...

Incredible but true! A Harvard astrophysicist puts forward a startling hypothesis: comet 3I/ATLAS could be an alien ...

A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

He cited the astronomical gaffe in January, when The Minor Planet Center in Cambridge, Mass., announced the discovery of an ...

The result is thanks to the Jupiter-orbiting Juno spacecraft. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The shimmering northern lights that ...

Professor Brian Cox debunks rumours that the interstellar object 3I/ATLAS is an alien spacecraft, explaining why the 7-billion-year-old comet is a 'fascinating' natural phenomenon.