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.

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

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 ...

However, despite the theories, a fresh radio search has turned up no sign that the object, now named 3I/ATLAS, is emitting anything artificial, despite months of claims that the interstellar body ...

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