Extraordinary claims require extraordinary evidence. That truism, now known as the "Sagan standard" after science ...

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 ...

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

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

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

Astronomers find possible signs of alien life on massive, distance planet K2-18b. The exoplanet K2-18b is 8 times bigger than ...

Recently, a group of scientists claimed they found possible signs of life on a planet called K2-18b. The news made headlines.

The discovery of dimethyl sulfide on K2-18b, a planet 120 light-years away, has ignited hopes for extraterrestrial life due to its potential for liquid water. While scientists are excited about ...

K2-18b, a planet nine times the size of Earth, is 124 light years away University of Cambridge researchers molecule produced by life on Earth Avi Loeb: Molecule found on the planet is also on ...

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 right ...

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 ...