When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Chinese researchers have captured the first-ever close-up images of the rare “mini-moon” that’s tracing circles around the ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

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 ...

'This one's exciting.' ...

Starfleet encounters​​​. Whether it's the warlike Klingons, the logic-seeking Vulcans, or the alluring Orions, the Star Trek ...

Get your eyes on the seventh planet, and you can graduate as a skywatcher — and there's a perfect way to cheat this week as ...

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

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

If someone told you there’s a place in Wisconsin where the landscape looks like it was borrowed from another planet, you’d ...

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...