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

A Harvard professor questions whether research conducted at the University of Cambridge about life on K2-18b is accurate.

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

An artist's interpretation of the exoplanet K2-18b. Could the alien world contain a biosphere?. | Credit: A. Smith, N.

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 ...

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

Last week astronomers reported hints of biological activity on a distant planet, but a re-analysis of their data suggests the claimed molecules may not be there at all ...

Astronomers find possible signs of alien life on massive, distance planet K2-18b. The exoplanet K2-18b is 8 times bigger than planet Earth. The claim about alien life involved data from NASA's ...

An artist's interpretation of the exoplanet K2-18b. Could the alien world contain a biosphere?. | Credit: A. Smith, N. Madhusudhan (University of Cambridge) The trendiest planet in the universe ...