Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...

In the search for habitable exoplanets, atmospheric conditions play a key role in determining if a planet can sustain liquid ...

Is a gossamer shroud of gas, 40 light-years from our planet, the key to life outside our planet? Researchers examining ...

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

If we’ll ever find life outside our solar system, it will not be an instant discovery. Save for the slim possibility of an intelligent civilization beaming a message in our direction, evidence for ...

Scientists found an intriguing world in our galaxy. They confirmed the existence of a rocky planet, called a "super-Earth," that's some six times as massive as Earth. While the world HD 20794 d is ...

Could a recently discovered "super-Earth" have the potential temperature and conditions to sustain life? The new exoplanet is situated "fairly close to us" -- only 137 light-years away -- and orbits ...

Titan, the largest moon of Saturn, is the only known moon that contains its own atmosphere denser than Earth's, and is the only known object in space other than Earth that contains stable liquids on ...

Exoplanet science is shifting from finding any detectable exoplanets we can to searching for those in their stars' habitable zones. NASA's proposed Habitable World Observatory and other similar ...

"Although this doesn't rule out the possibility that Enceladus' ocean may be habitable, it does mean we need to be cautious ...

This is a challenging mission for a number of reasons, beginning with getting down to the surface. Because Titan has a thick ...