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, the largest planet orbiting the sun, used to be much bigger and stronger when the solar system was just beginning to ...

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

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

Jupiter's already the big kahuna of the Solar System, an absolute unit of a planet with a mass 2.5 times greater than all of ...

The curious minds at What If wonder if Earth could survive if Jupiter devoured the entire solar system. The curious minds at What If wonder if Earth could survive if Jupiter devoured the entire solar ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context ...

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

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

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

The new calculations, described in a paper published Tuesday (May 20) in the journal Nature Astronomy, suggest that just 3.8 million years after the solar system's first solid objects formed, Jupiter ...