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

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 in the solar system, has long intrigued scientists seeking to understand its mysterious origins.

New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar ...

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

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

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya Oleksuik Jupiter ...

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 ...

A pair of researchers in astrophysics claim the data sheds new light on Jupiter’s role in shaping the early solar system and ...

Jupiter is an impressive phenomenon in our solar system. Nevertheless, it has diminished considerably since its early days.