"A strong magnetic field is very important for life on a planet," study lead Miki Nakajima, an associate professor in the ...

The supposed "strange signals" were not mysterious at all, but commonly observed transit signals, according to NASA.

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

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

Add Yahoo as a preferred source to see more of our stories on Google. In our solar system, Earth is one of but eight planets – nine, if you really want to count Pluto – and the only one remotely ...

A recent study of an exoplanet 120 light-years away revealed it has elements that are believed to be essential in the formation of life. NASA studied K2-18 b, an exoplanet 8.6 times as massive as ...

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 ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James Webb ...