Jupiter’s volcanic moon, Io, is exhibiting geothermal activity far beyond what scientists had anticipated, with heat levels that defy previous models. This extreme thermal activity is driven by the ...

Signs of volcanoes abound in new images of Io, the most active moon in our solar system. But the moon wasn’t always famous for its plumes and lava lakes. In both December 2023 and February 2024, ...

Add Yahoo as a preferred source to see more of our stories on Google. The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration shows NASA's Juno spacecraft as it makes a flyby of the Jovian moon Io. NASA's Juno mission will come closer to ...

The spacecraft came to within 930 miles of Io's surface—the closest any spacecraft has flown by the Jovian moon in over 20 years. Reading time 2 minutes The mutilated surface of Jupiter’s moon Io was ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Close flybys of Io ...

New data from the agency's Jovian orbiter sheds light on the fierce winds and cyclones of the gas giant's northern reaches and volcanic action on its fiery moon. NASA's Juno mission has gathered new ...

Looking for a sky event this week? Check out our full Sky This Week column. October 5: The Moon, Mars, and M44 The Moon passes 0.2° north of Jupiter at 6 A.M. EDT. But before that, our satellite ...

The last time a spacecraft got this close to Jupiter’s moon Io was more than 20 years ago, a blink of an eye on a typical geological timescale. Most planetary bodies in our Solar System wouldn’t ...

The Juno spacecraft acquired this new closeup image of the innermost moon Io on December 30, 2023. It was its 57th perijove, or close flyby to Jupiter, since entering orbit around the giant planet on ...