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 ...

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

L 98-59 d shouldn’t exist. At least, not according to the rules in our old textbooks. Located just 35 light-years away, this ...

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

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.

Scientists have observed a “rogue planet” that is growing at an alarming rate as it gobbles up six billion tons of gas and dust every second, a new paper revealed. The newly studied object, formally ...

It provides a dynamic, time-resolved view of planetary transformation, a missing link between young inflated worlds and the compact sub-Neptunes that populate the galaxy.

NEW YORK (AP) — Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye. It’s what’s known as a planetary parade, which happens when multiple planets ...