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.

AN international team of astronomers led by the University of Galway has discovered the likely site of a new planet in ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

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

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky.

New research suggests that Jupiter, the largest planet in our solar system, was once even bigger—about twice its current size—and had a magnetic field 50 times stronger than it does today. This ...

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

This week, stargazers can observe the solar system's largest and smallest planets, Jupiter and Mercury, converging in the ...

The way comets behave in space may seem random, but new research suggests there’s more order behind the chaos than once ...

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 ...