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, those ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Chris Vaughan/Starry Night Jupiter will rise opposite the sun this weekend, making the ...

NASA's Juno spacecraft captured this view of Jupiter during the mission's 54th close flyby of the giant planet Sept. 7, 2023. People around the world will have a chance this weekend to catch what ...

The largest known exoplanet has seven times the radius of Jupiter, 752 times its mass, and would take five months to ...

Deep within Jupiter's ammonia clouds, NASA has detected "superbolts" of lightning so powerful a single strike could energize ...

Jupiter’s early growth carved rings in the solar system, delayed meteorite formation, and kept planets like Earth in stable ...

NASA’s Juno spacecraft captured a rare dark-rayed crater on Ganymede, offering fresh clues about the moon’s icy surface, ...

The ocean on Ganymede may have more water than all the water on Earth. In this artist’s concept, the moon Ganymede orbits the giant planet Jupiter. NASA’s Hubble Space Telescope observed aurorae on ...

This weekend will bring a striking event for sky watchers, as Jupiter is will be at its biggest and brightest. This is a great opportunity to look up and see one of the brightest objects in the sky.