A study suggesting the exoplanet K2-18b shows potential signs of alien life has been met with skepticism from the scientific ...

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

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

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

Does alien life exist on an exoplanet? On TikTok, a University of Oxford astrophysicist cast doubt that extraterrestrial life ...

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 ...

It's an exciting breakthrough, but it doesn't confirm alien life. Let's look at why scientists largely do not accept the ...

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

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

Scientists have detected what may be the strongest evidence of alien life yet on a planet orbiting a star 120 light-years ...

NASA has revealed a 328-foot-wide hole on Mars, potentially a gateway to subterranean caves that could harbor alien life.