In the 21st century, the theories regarding the existence of aliens refuse to dial down. Now, the recently resurfaced NASA photo of Martian planet has gone viral on various social media ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

The Ultimate Survivors Meet Their Match on Mars Tardigrades, those legendary “water bears” ranging from a mere 0.1 to 1.5 ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Few places on the planet look less like Earth than the Danakil Depression, a scorched, sunken stretch of northeastern ...

A rather outlandish claim that an alien gun was spotted in a photo taken on Mars 12 years ago has drawn attention.

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

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

Well, as a matter of fact, I have often had close encounters with aliens, only I never bothered to mention it here. For this ...

On a clear night, the sky may seem peaceful and empty. Yet beyond the stars visible to our eyes lies a universe so vast that it is difficult to imagine. Our gal ...

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...