NASA's Voyager 2 spacecraft made its closest approach to Jupiter. It came within 354,000 miles (570,000 kilometers) of the ...

Figuring out the day length of Earth is more complicated than you might imagine. While on average a day is 24 hours long, throughout the year the planet's rotation can speed up and slow down, with one ...

Why Jupiter Doesn’t Have Rings Like SaturnBecause it’s bigger, Jupiter ought to have larger, more spectacular rings than Saturn has. But new UC Riverside research shows Jupiter’s massive ...

Jupiter's stunning auroras are hundreds of times brighter than those seen on Earth, as pictured in new images taken by the James Webb Space Telescope.

Jupiter, Saturn, and Neptune each emit more energy than they receive from the Sun, meaning they have comparatively warm ...

In three months, Saturn's iconic, icy rings will appear to disappear, giving you a preview of what the planet could look like 100 million to 300 million years from now. On March 23, an optical ...

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the most volcanic world in the solar system.

NASA reconnected with Voyager 1, which is located nearly 15 billion miles away from Earth, after a brief pause that triggered the spacecraft's fault protection system.

NASA/JPL-Caltech / ISTOCK / GETTY IMAGES PLUS Where is Voyager 1 now? Voyager 1 soared past Jupiter and its moons in 1979, before passing the Saturn system in 1980.

This week, uncover the challenges faced by Voyager 1, meet flower-licking wolves, see an unexpected ancient lifesaving tool, and more.

Voyager 2's visit to Uranus may have left us with the complete wrong impression of the ice giant for nearly 40 years, according to a new study.

On July 9, 1979, NASA's Voyager 2 spacecraft made its closest approach to Jupiter. It came within 354,000 miles (570,000 kilometers) of the planet's cloud tops. Voyager 2 was one of two space ...