Observations by the James Webb space telescope find possible biological activity on a giant planet 124 light-years from Earth ...

A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of ...

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 bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in a blistering, dense atmosphere rather than a watery Hycean planet. Webb ...

A bizarre hailstorm of icy “mushballs” — slushy mixtures of ammonia and water — has been confirmed on Jupiter, where intense ...

In a potential breakthrough in the search for alien life, a team of international researchers has identified chemical ...

It’s known for its bright and fast-moving shooting stars resulting from Halley’s comet, the most famous comet of all, which ...

It would take 120 years to travel to planet K2-18b at the speed of light. Here's how we know what could lie there.

These atmospheric markers have positioned K2-18b as one of the most promising candidates in the search for extraterrestrial life. The planet, which orbits within the habitable zone of its red dwarf ...

Scientists have detected dimethyl sulfide, a chemical linked to life on Earth, in the atmosphere of exoplanet K2-18b. Could ...

Dimethyl sulfide is in the news after NASA’s James Webb Space Telescope may have detected relatively high levels of it in the ...

NASA’s James Webb Space Telescope detected an intriguing compound in the atmosphere of the exoplanet K2-18 b, but scientists ...