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

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

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

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

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

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

“Disclosure” has become a cult word. It shouldn’t be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made “disclosure” into a teasingly ...

After more than two decades without leads or answers, human remains found in Washington state’s Olympic National Park in 2000 have been identified as Joseph Louis Serrao Jr. Limited time: Save 25% on ...

New UFO files have been released by the Trump administration that include several vivid descriptions of mysterious sightings ...

WASHINGTON — Homeland Security Secretary Markwayne Mullin said Thursday that the Trump administration has found at least 146,000 migrant children that were unaccounted for during the Biden ...