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…

2 months ago

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…

3 months ago

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…

4 months ago

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…

4 months ago

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…

5 months ago

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…

9 months ago

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…

3 years ago