While Galileo Galilei first observed Io in 1610, its volcanic nature wasn’t discovered until nearly four centuries later. In 1979, NASA’s Voyager 1 spacecraft captured images of volcanic ...

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than expected if a magma ocean were present. Instead, Io’s mantle appears mostly ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Last week, NASA’s Juno completed its second-closest fly-by of the volcanic Jovian ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. NASA’s Juno spacecraft has completed yet another flyby of Io, Jupiter’s highly ...

A blistering volcanic event was detected on Io, dwarfing anything seen before in the solar system. NASA’s Juno spacecraft, equipped with JIRAM, captured an unprecedented surge of infrared energy ...

NASA confirmed that a chunk of debris that crashed into a Florida home came from a battery pallet ejected from the ISS, and archaeologists found evidence that humans used a lava tube as a shelter ...

The Io Observer would explore a fiery moon of Jupiter ... with the timeframe for the sixth iteration of the program. Thus, NASA requested the National Academies “investigate and report on ...

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...