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 ...

Scientists have found carbon residue in Martian rocks, indicating that an ancient carbon cycle existed. It means Mars was ...

A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in ...

K2-18b is an exoplanet orbiting a red dwarf star called K2-18, chilling 124 light-years away in the Leo constellation. It’s ...

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

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

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

K2-18 b is 8.6 times as massive as Earth and with a diameter of about 2.6 times as large as our planet. It orbits in the ...

New JWST data strengthens earlier hints that K2-18b, a possible water world 120 light-years away, could host the chemical byproducts of life.

A new study by astronomers about distance planet K2-18b has led to what they’re calling one of the most promising sign of extraterrestrial life in the universe.