Jupiter might be having a change of heart. Literally. New simulations suggest that Jupiter's rocky core has been liquefying, melting, and mixing with the rest of the planet's innards. With this ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

Deep inside Jupiter, hydrogen turns into a liquid called “liquid metallic hydrogen,” which acts like a metal. This helps create Jupiter’s strong magnetic field.

Jupiter is about to go under the microscope, sort of. When NASA's Juno spacecraft reaches orbit around Jupiter on July 4, it will embark on a nearly 20-month study of the giant planet. So what ...

Inside Jupiter: Layers of Mystery. Despite this significant advancement, many questions remain about Jupiter's deep interior. Past missions like Galileo and Juno revealed complex internal layers, ...

Some 1300 Earths could fit inside Jupiter! Jupiter’s mass is two-and-a-half times of all the other planets in our solar system ... Jupiter does not have ties with the barycenter of the sun.

S cott Bolton’s first encounter with Io took place in the summer of 1980, right after he graduated from college and started a job at NASA. The Voyager 1 spacecraft had flown past this moon of Jupiter, ...

LITTLETON, Colo. — I've never been so close to something that is going so far away. The Jupiter-bound Juno spacecraft is entering a series of vital tests before its planned liftoff aboard an ...