Rosetta Data Analysis Program News Today

Jupiter's moon Io is the most volcanically active place in the solar system. During its 1.8-day orbit, this moon is gravitationally squeezed by Jupiter, leading to volcanic eruptions larger than any on Earth today.Io, Europa, and Ganymede are in an o

With an eye toward a return to Comet 67P, Cornell astronomers show how smooth terrain – a good place to land spacecraft and scoop samples – develops on the icy world of touring comets.