The JunoCam instrument aboard our #JunoMission acquired six images of Jupiter's moon Io during its close encounter today. This black-and-white view was taken at an altitude of about 1,500 miles ...

And then there’s Jupiter’s moon, Io. Io is the most volcanic object known to science. A rust-hued orb, its rocky seas of lava are larger than cities and its eruption plumes arc across the sky ...

The JunoCam instrument aboard our #JunoMission acquired six images of Jupiter's moon Io during its close encounter today. This black-and-white view was taken at an altitude of about 1,500 miles ...

"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 ...

A rendering by James Tuttle Keane depicts what our spacecraft might look like in the moments after it passes through a volcanic plume on Io and collects a sample (with Jupiter in the background).

Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma, resolving some issues about how Io's volcanoes erupt and raising broader questions about similar magma oceans within ...

It’s an intriguing notion, that alien life might exist on Io, and it is one that doesn’t come lightly. Juno, one of NASA’s spacecraft currently studying Jupiter and its moons, has been ...