Given just how big space is, the solar system seems like it shouldn't be too mysterious. But there are actually plenty of questions that took years to solve.

Stunning new Jupiter photos from NASA’s Juno spacecraft reveal storms, cloud bands, and its volcanic moon Io as the mission nears its final orbits around the gas giant.

Made with data from the JIRAM instrument aboard NASA’s Juno, this animation shows the south polar region of Jupiter’s moon Io during a 27 December 2024 flyby. The bright spots are locations with ...

Despite these challenges, Juno performed as designed and is now preparing for its next close approach to Jupiter on May 7, which will include a flyby of the Jovian moon, Io. Check out NASA's full ...

Following the third and most recent flyby, Juno will use a more-distant flyby of Io on March 3 to look at the hot spot again and search for changes in the landscape.

Juno will make another flyby of Io on March 3, 2024. That will allow the team to see what kind of landscape changes have developed in the region.

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.

Much of this data was collected during Juno’s most recent flyby of Io on April 9, when it came within 3 and 4.3 miles (5 and 7 kilometers).

NASA’s Juno spacecraft snapped this photo of Jupiter’s very scary moon Io, just in time for Halloween. At first glance, Jupiter’s moon Io looks like it’s painted in cozy autumn colors ...

Last weekend, NASA’s Juno spacecraft flew over the southern hemisphere of Jupiter’s moon Io. The close flyby brought Juno within 930 miles of the sulfur-shrouded hellscape of volcanoes and ...

Pictures from the recent flyby deliver a stunning new look at the over 400 volcanoes covering Io's colorful surface. Juno made the closest flyby of the moon since the 2002 Galileo mission.