Astronomers have made an exciting discovery: there are at least seven planets the size of Earth orbiting one star some 40 light-years...
Two planets the size of Earth orbiting a nearby star have been confirmed to have a rocky landscape, bolstering the theory that...
Astronomers have suspected that there was once a fifth giant planet in addition to Jupiter, Saturn, Uranus and Neptune. Something caused that...
Astronomers have spotted a star that is tearing apart a planet that orbits it. This star isn’t too different from our sun when...
NASA scientists are celebrating the discovery of our solar system’s closest next-door neighbor, HD 219134b, a rocky super-Earth — classified as such because...
Research conducted by astronomers Gregory Laughlin and Konstantin Batygin suggests that our solar system’s lack of super-Earths, planets smaller than Neptune but...