What can a star’s behavior teach scientists about the formation and evolution of sub-Neptune exoplanets, which comprise one ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a cautionary tale from planet hunting’s prehistory ...

Turns out, there’s a lot more floating around the planet Saturn than those famous rings. Space scientists announced last week they’ve discovered Saturn has 128 more moons, for a total of 274, far more ...