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.

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

At the very edge of our solar system, beyond the grasp of Neptune and even past the icy sprawl of Pluto’s domain, a new ...

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

Saturn's Moon Titan Could Harbor Life, but Only a Tiny Amount, Study Finds Apr. 7, 2025 — Despite its uniquely rich inventory of organic molecules, Saturn's largest ... planet outside the solar ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. For decades, scientists thought that Vesta was a protoplanet rather than an asteroid.

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

With a diameter over 88,800 miles, our solar system’s largest planet is 11 times as wide as Earth and twice as massive as all its sibling planets combined. But according to recent calculations ...

These results are another example of how planetary systems can be different from our solar system ... The largest study of its kind, this work has about three times more planets and includes ...

Saturn is the second-largest planet in the solar system. Saturn is the sixth planet from the sun and the second-largest planet in the solar system. Known for its stunning rings, Saturn is a gas ...