As astronomers study an exoplanet called K2-18b, conflicting research reveals how difficult it is to find evidence of life ...

"Until we can separate these signals more clearly, we have to be especially careful not to misinterpret them as signs of life ...

Astronomers had detected just a hint, a glimmer of two molecules swirling in the atmosphere of a distant planet called K2-18b — molecules that on Earth are produced only by living things.

Astronomers detected dimethyl sulfide (DMS) on exoplanet K2-18b, sparking excitement about potential extraterrestrial life.

There’s always going to be a way to make something abiotically.” With these words, chemist Eleanor Browne of the University ...

The findings came from a team of researchers at the University of Cambridge who studied data from NASA's James Webb Space Telescope to find molecules in the atmosphere of a planet known as K2-18b.

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent analyses discount the evidence. An artist’s concept of the exoplanet K2 ...