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

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

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 ...

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

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

A chemical called dimethyl sulfide popped up in an analysis of exoplanet K2-18b’s atmosphere. On Earth, it’s only made by ...

Scientists have discovered what they believe to be the strongest signature yet of alien life on a distant planet 120 light ...

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