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 ...

It is similar in size to Earth and completes a full orbit around its star in just six days. Scientists believe that the ...

Is a gossamer shroud of gas, 40 light-years from our planet, the key to life outside our planet? Researchers examining TRAPPIST-1e, an Earth-sized planet around the midpoint of its star’s habitable ...

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, ...

Scientists are steadily ruling out habitable conditions on the seven planets of the star Trappist-1. On one of the worlds, a ...

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 ...

The recent discovery of a potential gas giant circling the nearby star Alpha Centauri A has led to speculation that it may be orbited in turn by a habitable moon that could support life, just like in ...

"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 ...