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

Jupiter, the largest planet in the solar system, has long intrigued scientists seeking to understand its mysterious origins.

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

New research suggests that Jupiter, the largest planet in our solar system, was once even bigger—about twice its current size—and had a magnetic field 50 times stronger than it does today. This ...

A new study has revealed that Jupiter—our solar system’s largest planet—was once even more enormous than it is today. In fact ...

The new moon of May occurs on May 26. Two days later the moon will make a close pass to Jupiter in the evening sky, and the ...

It is the largest object in the Solar System, but recent studies suggest it was once even twice as large as it is today.

An artist’s conception of the exoplanet K2-33b, a 10 Myr Jupiter-sized planet, transiting in front of its active host star. This system is comparable to those which will be observed by the ...

The weather forecast for Jupiter calls for clouds with a chance of lightning and "mushballs"—a slushy mix of ammonia and water encased in a hard water ice shell that rain down like hail here on ...

Illustrations by the 17th-century astronomer Cassini (a-c), compared with Jupiter's current Great Red Spot as captured by Eric Sussenbach in 2023. Disclaimer: AAAS and EurekAlert! are not ...

A spacecraft that will study one of Jupiter’s moons launched Monday on a journey of more than six years to discover if the moon has the ability to support life. The solar-powered spacecraft ...