"In our solar system, the most massive moon is Ganymede, which is still extremely small compared to what we are inferring ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

Some exoplanets, like the one shown in this illustration, may have atmospheres that could make them potentially suitable for life. NASA/JPL-Caltech via AP When astronomers search for planets that ...

Published in the peer-reviewed The Astrophysical Journal, the research focuses on tidally locked planets, worlds that always ...

It might not seem the likeliest place to find aliens, but astronomers will soon hunt life on planets orbiting the remains of dead stars, using chemical signatures. Cornell University researchers said ...

Carnegie's Luke Bouma presented exciting new research at the American Astronomical Society meeting revealing how large clumps of cool plasma that are trapped in an M dwarf star's magnetosphere can be ...

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

There is a new method to detect and map spots on stars by "using observations from NASA missions of orbiting planets." ...

Astronomers have discovered a strange giant planet orbiting a tiny star - and nobody knows how it got there. The star is a distant red dwarf known as TOI-6894 which is just a fifth the mass of our own ...

Planets orbiting binary Sun-like stars could be prime targets in the search for alien life, a new study has suggested. Since the only known planet with life, the Earth, orbits the sun, planetary ...

Astronomers have directly observed a free-floating planet, comparable in mass to Earth, roaming the Milky Way. Discovered via gravitational microlensing due to its brief light curve, this rogue world ...