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

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.

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

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 ...

Independent analysis raises doubts about alien life on exoplanet K2-18b Weak sulfur gas signals found in K2-18b data earlier life detection Uncertainty grows over K2-18b’s habitability as scientists s ...

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 ...

K2-18b resides within the habitable zone of its star, making the presence of liquid water and thus life possible. Using the James Webb Space Telescope, researchers detected molecules in K2-18b's ...