"Io represented a big mystery because it's surface doesn't hold a record of its history the way that the surfaces of less ...
Two recent flybys of Jupiter’s moon Io by NASA’s Juno spacecraft revealed a couple of stunning surprises: a remarkably steep ...
Measurements of sulphur isotopes in Io’s atmosphere show that the moon may have been volcanically active for its entire ...
Volcanic moon Io and icy moon Europa star in the latest batch of images sent back from NASA’s Juno spacecraft in orbit of ...
An analysis of the moon’s atmospheric composition suggests that it has been spewing sulfur for roughly 4.6 billion years.
Though it's still seven years from reaching Jupiter, the JUICE mission is proceeding apace — and a recent test-run simulated ...
US space scientists on Thursday unveiled the interplanetary probe NASA plans to send to one of Jupiter's icy moons as part of ...
JPL invited journalists to the Europa Clipper, an “orbiter” built to observe one of Jupiter’s many moons, Europa, up close.