Talk about a hot mess. Scientists have uncovered a hellish “lava world” where temperatures soar to a blistering 2,700 degrees Fahrenheit — hot enough to melt rock into a churning ocean of magma and ...

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

The traditional Habitable Zone (sometimes called the Goldilocks zone) is kind of like a campfire. If you sit too close, you ...

Astronomers have discovered new information regarding a distant world that could alter scientists’ understanding of planets outside our solar system. The planet is called L 98-59 d. It is believed to ...

Located just 35 light-years away, this world is roughly 1.6 times the size of Earth. But don’t call it a twin. It’s a scorching, pungent orb wrapped in an atmosphere of hydrogen and sulfur, perched ...

There are worlds like hot Jupiters, gigantic and very hot, as well as ocean worlds and super-Earths with a rocky structure ...

Deep in the cold darkness beyond our Solar System, Oxford-led astronomers have discovered a world that defies easy categorisation: a small, rocky worl.

Forbes contributors publish independent expert analyses and insights. Leslie Katz covers the intersection of culture, science and tech. A yellowish-orange glow bathes Phainoterra, a planet of dramatic ...