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

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

The pilots dubbed the fireballs “foo fighters” but had no idea what they were. Plasma? Enemy tech? Aliens? We still haven’t ...

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

White House taps polarizing Harvard astronomer to lead new UFO council - The team’s mission is to investigate the national ...

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

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

Six months after conservationists used drone technology in a mouse-eradication project on a remote Western Australian island, ...