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.

With an atmosphere, by mass, of primarily hydrogen (76 per cent) and helium (24 per cent), and by volume of 89 per cent ...

Our Solar System's largest planet, Jupiter, was once so huge that it could have held 2,000 Earths, a study has found.

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

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

Planets with unusually wide orbits may be normal by-products of the formation of planetary systems. This is suggested by new simulations.

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

Jupiter, roughly 562 million miles from Earth today, has nearly 100 moons. But Batygin and his collaborator Fred Adams' research focused on two of the smaller ones, Amalthea and Thebe. Both are inside ...

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 ...

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

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

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