Astronomer Avi Loeb gives his thoughts on the prospect of finding signs of intelligent life beyond our Solar System.

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

Once, a man called the authorities about an "enormous light" that was "blazing" above his house—only to call back shortly to explain it was actually the Moon.

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

In 1947, pilot Kenneth Arnold's report of strange objects over Mount Rainier and a fateful media misquote created the 'flying ...

On a clear summer day in 1947, businessman and civilian pilot Kenneth Arnold saw something strange in the sky.

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

What happens if scientists find evidence of extraterrestrial intelligence? That question was at the center of a recent SETI Live discussion about newly updated post-detection protocols and how ...

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

Astrobiologists think extraterrestrial civilisations grow so much that they hit crisis points, missing the chance to set out ...