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 ...

Jupiter, roughly 562 million miles from Earth today, has nearly 100 moons. But Batygin and his collaborator Fred Adams' ...

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

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

You don't need us to tell you that Jupiter, which has more than twice the mass of all the other planets in the Solar System ...

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.

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

Diminutive Barnards Star is closer in size to Jupiter than to the Sun. Only the three stars that make up the Alpha Centauri system lie closer to us. One-third of the planets orbiting the most ...