Astronomers have calculated that the gas giant Jupiter used to be twice as big as it is now, based on the odd orbits of two ...

According to their work, Jupiter's radius was once two to two-and-a-half times its current radius—large enough to contain ...

Astronomers have discovered that the Jupiter, the largest planet in our Solar System, was once so big that it could have held ...

Following the much-ballyhooed “planet parade” this winter, the planets have been gradually dipping below the horizon, ...

A Europa Lander prototype was just successfully field tested on Alaska's Matanuska Glacier to simulate the icy conditions of ...

Naturally, the aurora on our solar system's largest planet is hundreds of times brighter and more energetic than our own Northern lights.

Scientists believe such an extreme orbit means the object was pushed and pulled by the gravity of giant planets like Jupiter ...

A new study reveals that Jupiter has massive primordial form and powerful magnetic field, offering fresh insights into how it ...

A pair of researchers in astrophysics claim the data sheds new light on Jupiter’s role in shaping the early solar system and ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

They call it the architect as it played a critical role in shaping the orbital paths of other planets and sculpting the disk ...

Stunning new Jupiter photos from NASA’s Juno spacecraft reveal storms, cloud bands, and its volcanic moon Io as the mission ...