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.

NASA’s Juno spacecraft has sent back yet another batch of spectacular new images of Jupiter — including its moon Io — after its 72nd perijove (close flyby), with just four more to go until ...

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.

NASA orbiter spots most active volcano yet on Io The third and latest flyby, which took place on Dec. 27, 2024, brought the Juno spacecraft within about 46,200 miles of the moon.

In particular, the large volcanic hotspot was observed when Juno made its latest Io flyby on Dec 27, 2024, coming to within 46,200 miles (74,400 kilometers) of Io's surface and targeting the moon ...

Flybys of Jupiter’s fiery moon Io, carried out by NASA’s Juno spacecraft, are helping to solve the enduring mystery of why the small moon is the most volcanically active body in our solar ...

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). Its trajectory will continue to take it on flybys of ...

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 ...

The close flyby brought Juno within 930 miles of the sulfur-shrouded hellscape of volcanoes and lava lakes that make up Io’s surface. In December 2023, the spacecraft flew over Io’s northern ...

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.