sub-Neptune
Webb Reveals a Steam World Planet Orbiting a Red Dwarf
The JWST has found an exoplanet unlike any other. This unique world has an atmosphere almost entirely composed of water…
A Super-Earth (and Possible Earth-Sized) Exoplanet Found in the Habitable Zone
Astronomers have found a new Super-Earth orbiting an M-dwarf (red dwarf) star about 137 light-years away. The planet is named…
A Planetary System With Six Sub-Neptunes Locked in Perfect Resonance
Researchers using TESS and Cheops data found a system with six sub-Neptune-sized planets, all orbiting in direct resonance with each…
JWST Looks at the Atmosphere of a Stormy, Steamy Mini-Neptune
Just because there's no Mini-Neptune in our Solar System doesn't mean they're not common. They appear to be widespread throughout…
Astronomers still scratching their heads over population of ocean-world exoplanets
In a recent study submitted to The Astrophysical Journal Letters, an international team of researchers led by the University of…
Could Life Exist in the Atmosphere of a sub-Neptune Planet?
Life could thrive in the atmosphere of warm gas planets, but only if they are seeded by asteroids.
Astronomers Have Found the Perfect Exoplanet to Study Another World’s Atmosphere
TESS (Transiting Exoplanet Survey Satellite) has found a new planet, and the discovery of this sub-Neptune exoplanet has scientists excited…
Heard of Mini-Neptunes and gas-Dwarfs? Here's a new one: sub-Earths
A new study suggests that planets smaller than Earth form much later than large planets, which could point to a…
A Strange Planet has been Found that’s Smaller than Neptune But 50% More Massive
Astronomers have found another strange exoplanet in a distant solar system. This one's an oddball because its size is intermediate…
TESS Finds its Third Planet, a sub-Neptune with a 36-Day Orbit
After only three months of operation, NASA's TESS (Transiting Exoplanet Survey Satellite) spacecraft is delivering on its mission to find…