Jupiter, roughly 562 million miles from Earth today, has nearly 100 moons. But Batygin and his collaborator Fred Adams' ...

The telescopes at Lick may be vintage, but scientists at the observatory continue to discover new planets and examine ...

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.

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 ...

The moons Amalthea and Thebe, though small, played a key role in this study. Their slightly tilted orbits allowed researchers to trace the historical position of Io, Jupiter's closest moon. This ...

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

The James Webb Space Telescope has observed glowing auroras on Jupiter like never before.

"It's astonishing that even after 4.5 billion years, enough clues remain to let us reconstruct Jupiter's physical state at the dawn of its existence," stated Fred C. Adams, professor of physics and ...

The world is home to gigantic storms bigger than Australia, 100-mph winds pummeling its northern reaches and a rocky moon named Io orbiting ... studied two tiny moons Amalthea and Thebe to ...