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 ...
The pilots dubbed the fireballs “foo fighters” but had no idea what they were. Plasma? Enemy tech? Aliens? We still haven’t ...
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 ...
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 ...
A rare visitor from another star system has undergone one of the most extensive technosignature searches ever conducted on an ...
Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...
New UFO files have been released by the Trump administration that include several vivid descriptions of mysterious sightings in the sky.