Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents preserved fragment of ancient planetary system ...

Astronomers have revised the mass of nearby exoplanet GJ 3378 b, recasting it as a rocky super‑Earth in the habitable zone ...

Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant exoplanet located about 124 light years away from us, and one of the most ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

It was a close encounter of the Schiff kind. President Trump made an out of this world jibe when he was allegedly briefed on ...

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

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.