researchers led by Ryan Park of NASA's Jet Propulsion Laboratory were able to use those two fly-bys to measure the gravitational field of Io, and how it changes as the volcanic moon is squeezed ...

Hawai'i Volcanoes National Park is 553 square miles open 24 hours ... if you’re lucky, larger birds like ‘Io or Hawaiian hawk. Don’t be surprised if you’re driving around the park and ...

The new data suggests that Io’s numerous volcanoes are each likely powered ... about Io’s interior,” said lead study author Ryan Park, a Juno co-investigator and supervisor of the Solar ...

Scott Bolton’s first encounter with Io took place in the summer of 1980 ... “There cannot be a shallow magma ocean fueling the volcanoes,” said study co-author Ryan Park, a Juno co-investigator at the ...

Instead, each of Io's 400 or so volcanoes may harbor their own chamber ... After working as a ranger with the National Park Service, he started a reporting career after seeing the extraordinary ...

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 ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body in our solar system. As demonstrated by explosive news from NASA on ...