Astronomers have discovered a major sign of life — and “the first hints… of an alien world” on a distant planet orbiting ...

Astronomers have detected molecules on exoplanet K2-18b that may have been produced by simple organisms, claiming it's the ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

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

WASHINGTON >> In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call ...

The two gases - dimethyl sulfide, or DMS, and dimethyl disulfide, or DMDS - involved in Webb's observations of the planet named ... of exoplanets called hycean worlds - covered by a liquid water ...