Astronomers have discovered a brown dwarf that is similar to a hot Jupiter exoplanet. It is hotter than any hot Jupiter seen before, even hotter than our sun.
Scientists have completed a detailed "forensic study" of a massive star destroyed by a giant black hole. The black hole ripped out the insides of the star.
Earth-based observatories revealed a dark spot on planet Neptune. Astronomers used its spectrum to discover what it is. Plus, they found a nearby white spot.
Years worth of images of the 8th planet from the sun show that Neptune's clouds are synced with the sun's 11-year cycle. Read the weather forecast for Neptune.
NASA's New Horizons spacecraft and Hubble Space Telescope will turn their eyes to the ice giants - Uranus and Neptune - in September. And NASA wants your help!
NASA's Voyager 2 confirmed the discovery of Neptune's rings on August 22, 1989, when it took images of a faint, continuous ring system around the planet.
In a new study, astronomers say that at least some of the 7 Earth-sized TRAPPIST-1 exoplanets could be habitable now, even if they didn't start out that way.