The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...

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

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

A triangular UFO photographed over Emiliano Zapata in central Mexico has prompted multiple witness reports across nearby ...

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

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

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 ...

A Harvard University professor known for his polarizing theories about extraterrestrial life has been tapped by the White ...

Scientists in California have completed one of the first dedicated searches for signs of alien technology on 3I/ATLAS, the ...