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 ...

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

"It's astonishing that even after 4.5 billion years, enough clues remain to let us reconstruct Jupiter's physical state at the dawn of its existence," stated Fred C. Adams, professor of physics and ...

Scientists focused on Jupiter's little moons Amalthea and Thebe. Their peculiar orbits didn't quite fit with Jupiter's ...

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

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 ...