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 ...

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

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?

An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

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

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.