"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really ...

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

are helping to solve the enduring mystery of why the small moon is the most volcanically active body in our solar system. Similar in size to Earth’s moon, Io has an estimated 400 volcanoes that ...