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.
From a distance, it looks like a serene blue twin of our own world, a dot that could almost pass for Earth in a telescope ...
Scientists found an intriguing world in our galaxy. They confirmed the existence of a rocky planet, called a "super-Earth," that's some six times as massive as Earth. While the world HD 20794 d is ...
NASA has confirmed over 5,780 worlds beyond our solar system, called exoplanets. But it's rare to detect a juvenile, still-maturing planet, because they inhabit chaotic systems that are flush with ...