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

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

an exoplanet between Earth and Neptune in size, finding evidence that it is a giant rocky planet (super-Earth) surrounded by a thick, hot atmosphere. NASA’s JWST detected gases emanating from a ...

A Southwest Research Institute-led study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, ...

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

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 ...

A nearby Earth-sized planet beyond our solar system could soon add to the diversity of known terrestrial worlds with their ...

Scientists have hypothesized the existence of exoplanets called hycean worlds - covered by a liquid water ocean habitable by microorganisms and with a hydrogen-rich atmosphere. Earlier ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Two years ago it was said that a bloated star had swallowed an exoplanet for the first time. That was probably not true after ...

A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d is ...