Hycean world
Another Hycean Planet Found? TOI-270 d
Hycean planets may be able to host life even though they're outside what scientists consider the regular habitable zone. Their…
If Hycean Worlds Really Exist, What are Their Oceans Like?
Astronomers have been on the hunt for a new kind of exoplanet in recent years – one especially suited for…
Another Explanation for K2-18b? A Gas-Rich Mini-Neptune with No Habitable Surface
Exoplanet K2-18b is garnering a lot of attention. James Webb Space Telescope spectroscopy shows it has carbon and methane in…
Is K2-18b Covered in Oceans of Water or Oceans of Lava?
In the search for potentially life-supporting exoplanets, liquid water is the key indicator. Life on Earth requires liquid water, and…
Want to Find Life? See What's Missing in an Atmosphere
In the search for life, astrobiologists have proposed that various chemicals, like methane, could be potential biosignatures. But a new…
JWST Might Have Imaged a Hycean World for the First Time, With a Hydrogen-Rich Atmosphere and a Deep Planet-Wide Water Ocean
Astronomers have directed JWST to examine the atmosphere of an exoplanet called K2-18 b, which orbits a cool dwarf star…
Ocean Worlds With Hydrogen-Rich Atmospheres Could be the Perfect Spots for Life
A new study has identified another class of exoplanet that could drastically increase the odds of finding life beyond the…