"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...
SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...
Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...
A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...
Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...
Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...
The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.
The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.
A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...
With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination with extraterrestrials.