Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush.

A new study presented at the 2025 EPSC/DPS Joint Meeting proposes that the rarity of specific geological and atmospheric conditions necessary for technologically advanced life significantly limits the ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

A new study used mathematical formulas and demonstrated that it’s highly unlikely life began on Earth. Instead, the researcher points to panspermia, a theory that life or the ingredients for life came ...

It’s a sweltering Tuesday in Washington, D.C., the kind of day that stretches the definition of Earth as a “habitable” planet. But on an eighth-floor terrace near the U.S. Capitol building, dozens of ...

For most people, just being near a bug is grounds to flip out and reach for the nearest can of Raid. Or a flamethrower. But if you're Dr. Grace Sward, an entomologist with a PhD from Ohio State ...