According to their work, Jupiter's radius was once two to two-and-a-half times its current radius—large enough to contain ...

Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times stronger, and its ...

You don't need us to tell you that Jupiter, which has more than twice the mass of all the other planets in the Solar System ...

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

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

A groundbreaking study has unveiled a startling portrait of Jupiter‘s early days, revealing the gas giant was once nearly ...

Titan, the largest moon of Saturn, is truly a remarkable world. It has a thick atmosphere as well as rivers, lakes, and seas ...

The team focused on the orbital dynamics of Jupiter's moons and the conservation of the planet's angular momentum—quantities that are directly measurable. Their analysis establishes a clear snapshot ...

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...