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.

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

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

Jupiter may have once been more than twice its current size, with a magnetic field 50 times stronger, say scientists who ...

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 ...

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 ...

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

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

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 ...