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

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

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

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 ...

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 ...

Although astronomers have directly imaged a few dozen gas giants on the scale of Jupiter, Earth-sized planets are too small and dim to be directly imaged. That's not to say there's a shortage of Earth ...

How can magnetic fields help determine the habitability of exoplanets? This is what a recent study published in Nature ...

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 ...

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