Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

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 ...

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

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

Scientists detected gases on exoplanet K2-18b linked to life on Earth. The James Webb Space Telescope's future results show a ...

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

A Harvard University cosmologist who has suggested alien life forms could be sailing into the solar system disguised as meteors is leading the Trump administration’s secretive new scientific advisory ...

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

Every year, thousands of tons of tiny micrometeorites, each smaller than a poppy seed, rain down on our planet, dusting it ...

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

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