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

Astronomers have made a detection suggesting biosignatures, or signs of biological activity, on an exoplanet located 124 ...

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

Remnants of a liquid layer of magma near Earth's core, formed in the first few hundred million years of the planet's history, ...

One such moment was when space craft sent back images of the Earth for the first time. Another is the discovery of life on ...

The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

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 ...

Astronomers announced Thursday that they had detected the most promising "hints" of potential life on a planet beyond our ...

The study authors suggest their findings indicate liquid oceans and a hydrogen atmosphere but others have countered it could ...