The most volcanically active world in the solar system, Jupiter's moon Io, may possess a global ocean of magma underneath its surface, as well as mysteriously warm poles, a new study finds. Previous ...

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 chaos and violence. The brutal conditions also make Io intriguing to ...

A 4-billion-year-old volcano? New research finds that Io, the solar system’s most volcanically active moon, can brag just that. A recent study of Io’s sulfurous atmosphere suggests that Jupiter’s moon ...

Astronomers at The Johns Hopkins University, the Observatoire de Paris, and other institutions have solved a nearly 30-year-old mystery surrounding Jupiter’s moon Io, showing that volcanoes there ...

Change can be scary. Luckily, nobody is particularly close to a very big change on Jupiter’s moon Io, where a massive new volcano has been spotted in a previously flat area. The volcano has multiple ...

Jupiter's volcanic moon Io as captured by the Juno spacecraft on Oct. 15, 2023. Credit: NASA / JPL-Caltech / SwRI / MSSS / Image processing by Ted Stryk On Dec. 27, 2024, NASA's Juno spacecraft ...

Scientists can say two things with certainty about Io. First, this moon of Jupiter is the most volcanic object in the known universe. Its surface is festooned with so many lava-spewing calderas that ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

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 ...

NASA's Juno spacecraft recently whizzed past the moon Io. Every night's a marvelous time for a moon dance at Jupiter. Jupiter's moon Io displays a volcanic surface including large, dark patches of ...