Astronomers using Hubble imaged the largest protoplanetary disk ever observed circling a young star. The disk is nicknamed “Dracula’s Chivito.” ...

NASA’s Hubble Space Telescope has directly imaged similar catastrophic collisions in a nearby planetary system around another star, Fomalhaut.

The nearest single star to the Sun hosts an exoplanet at least 3.2 times as massive as Earth — a so-called super-Earth. Data from a worldwide array of telescopes, including ESO’s planet-hunting HARPS ...

This exoplanetary encyclopedia — continuously updated, with more than 6,000 entries — combines interactive 3D models and detailed data on all confirmed exoplanets. When you select a planet’s name, see ...