"If the ultimate result of this story is that the public is more circumspect about future claims of life detection, that's ...

An astonishing new claim that we have finally discovered “alien life” has left the space world reeling. The world of astronomy is abuzz with excitement. Have we discovered the first-ever evidence of ...

"Either our models are in error, or the DMS/DMDS might not exist," Schwieterman told Space.com. "Finding life outside the ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

Seems unintuitive, but the mounting list of lifeless planets might be exactly what scientists need to figure out how common life is in the universe.

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Observations by the James Webb space telescope find possible biological activity on a giant planet 124 light-years from Earth ...

The researchers found strong evidence of a chemical called dimethyl sulfide (DMS) in the planet’s atmosphere. On Earth, DMS ...

A chemical called dimethyl sulfide popped up in an analysis of exoplanet K2-18b’s atmosphere. On Earth, it’s only made by ...

On a faraway planet, the James Webb Space Telescope has picked up signs of molecules that, on Earth, are produced only by ...

The head of Homeland Security says travelers who aren’t REAL ID compliant by the upcoming deadline this week will still be ...

Last week astronomers reported hints of biological activity on a distant planet, but a re-analysis of their data suggests the ...