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

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 ...

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

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

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 ...

Many have claimed to see a UFO or have an encounter with an alien, but what do the scientists have to say? Here's what ...

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

On Earth, DMS is made by ocean plankton, then quickly broken down in the atmosphere through photochemical and other reactions ...

Astronomers using the James Webb Space Telescope confirmed that the planet K2-18b has traces of dimethyl sulfide, a potential ...

Scientists have found the best ever hint of alien life on another planet. But they aren’t getting entirely excited just yet. In what might eventually be hailed as the first fingerprint of ...

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

What would it mean for humans if there were another species out there, and how big is the challenge when the human species is ...