NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

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

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our solar system.' ...

Magma is molten rock - rock that is so hot it ... Some volcanoes, like Mauna Loa in Hawaii are caused by hot spots in the Earth’s crust. These do not erupt violently and lava usually flows ...

Some volcanoes, like Mauna Loa in Hawaii are caused by hot spots in the Earth’s crust ... Mount Fagradalsfjall in Iceland erupting. Magma, a mixture of hot, molten rock and gas, builds up ...