A paper published in 2023 spurred discussion about whether life exists on an exoplanet named K2-18b. Two years later, the ...

"I do not believe we yet have convincing evidence of the presence of DMS in K2-18b's atmosphere." In 2023, debate erupted in the astronomy community about whether life could exist on an exoplanet ...

What makes this exoplanet special is the possibility of it hosting a temperate water ocean, which is nearly half the size of the Atlantic Ocean. Scientists have been searching for habitability ...

And while the new data suggests an ocean of water might sit below the exoplanet's atmosphere, it is still possible that the ocean may be too hot either to be liquid or for life to survive.

If the discovery is confirmed, this will be the fastest extrasolar planet, "exoplanet," system ever seen. "We think this is a so-called super-Neptune world orbiting a low-mass star at a distance ...

But more profound still, the story of our oceans envelops our home in a far larger context that reaches deep into the universe and places us in a rich family of ocean worlds that span our solar system ...