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

Data from the Kepler project has confirmed a new world that fulfills the telescope's goal of locating Earth-sized planets ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

In a secluded corner of the Lynx constellation, just 18 light-years from our planet, astronomers have found a stunning jewel—a planet around a tiny red dwarf star that may have the right conditions to ...