Scientists have confirmed a potentially habitable fifth planet in the nearby L 98-59 system, revealing a diverse collection ...

Astronomers have long speculated about the existence of a mysterious planet lurking far beyond Neptune, a world several times ...

NASA says the newly revealed world is only 1.06 times larger than Earth and the exoplanet's temperature may be similar to our planet's, because of the amount of starlight it receives.

A formidable new radar satellite jointly developed by the United States and India launched Wednesday, designed to track ...

Astronomers have discovered a new exoplanet that may be habitable 35 light-years from Earth. Named L 98-59 f, it joins four ...