"Io represented a big mystery because its surface doesn't hold a record of its history the way that the surfaces of less active moons do." The solar system's most volcanic body, the Jupiter moon ...
Io is the most volcanic body known to science, and researchers have puzzled over its history for years. A new report suggests it was born this way. This image revealing the north polar region of ...
Close flybys of Io, one of Jupiter's moons and the most volcanically active world in our solar system, have revealed a lava lake and a towering feature called "Steeple Mountain" on the moon's ...