Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

"It's a profound idea that we are looking at a map of material that could rain on nascent planets and potentially support ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

NASA has uncovered major new clues on Mars that could point to alien life. The space agency’s rover has found chemicals on ...

Alien hunters say there is 'increasing evidence' ETs are already on Earth and believe they will publicly come out to the ...

A SPACE scientist in the US has been found dead after she warned “my life is in danger” in the latest mysterious case. Eleven ...

What kind of music do they play on Mars?

Scientists have discovered Epsilon Indi Ab, an exoplanet resembling Jupiter but 7.6 times its mass, using NASA's James Webb ...

Donald Trump says a UFO review uncovered “interesting” documents, with initial releases expected soon as part of a transparency effort.

Explore the UFO mysteries J. Allen Hynek uncovered with Project Blue Book and how his findings challenged the Air Force's ...

The disappearances and deaths of 10 government workers tied to nuclear or space technology have sparked speculation online.

Donald Trump's directive to release classified files on extraterrestrial life has sparked excitement and conspiracy theories, ...