"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 ...
A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...
The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...
Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...
When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. When astronomers first discovered 3I/ATLAS in July 2025, the icy ...
Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...
A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...
A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...
The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an ...