NASA scientists have revealed the secrets of the most volcanic body in our solar system, according to new research. The discovery solves a 44-year-old mystery of why, and how, Jupiter's violent moon, Io, became so volcanically active.

Jupiter’s moon Io, is the most volcanic body in the solar system. About 400 volcanoes erupt on its surface, blasting lava and plumes.

The north polar region of Jupiter's volcanic moon Io was captured by NASA's Juno during spacecraft's the 57th close pass of the gas