Jupiter, the largest planet orbiting the sun, used to be much bigger and stronger when the solar system was just beginning to ...

In its earliest days, Jupiter may have been even more colossal than it is now—twice as large, in fact, with a magnetic field ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

New research reveals that Jupiter was once nearly twice its current size with a magnetic field 50 times stronger. This ...

The new calculations, described in a paper published Tuesday (May 20) in the journal Nature Astronomy, suggest that just 3.8 ...

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

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

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

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

The study by Konstantin Batygin of Caltech and Fred Adams of the University of Michigan pulls off a rare feat in planetary ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

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