To better understand Jupiter’s primordial stages, researchers turned to the tiniest of the planet’s 92 known moons. Almathea ...

Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct ...

Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times stronger, and its ...

Recent calculations suggest that Jupiter, our solar system's largest planet, was once more than double its current size.

Astronomers have long been intrigued by the makeup of the asteroid belt’s largest body. When it was first spotted in 1801, ...

A camera built at Arizona State University is on its way to check for signs of life above Jupiter, but it detoured to Mars ...

Jupiter’s auroras sparkle with mystery — and Webb just uncovered a cosmic riddle scientists didn’t see coming.

Jupiter's stunning auroras are hundreds of times brighter than those seen on Earth, as pictured in new images taken by the ...

JWST uncovers unexpected behavior in polar lights on Jupiter, while a Mars rover captures the first image of an aurora.

New observations from NASA's James Webb Space Telescope have revealed that auroras on Jupiter are hundreds of times brighter ...