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.

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 ...

The team's calculations indicate that young Jupiter had a radius nearly twice its current size, with a volume large enough to ...

As the most massive planet in the Solar System, and first to form, Jupiter’s gravity shaped the formation of everything else.

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

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

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 ...

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

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

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