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 ...

In its earliest days, Jupiter may have been even more colossal than it is now—twice as large, in fact, with a magnetic field ...

The new calculations, described in a paper published Tuesday (May 20) in the journal Nature Astronomy, suggest that just 3.8 ...

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

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

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 ...

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

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

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 ...