ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

This might sound like the kind of thing that would make it more difficult to study Io, but in reality, it provided a special opportunity for scientists keeping a sharp eye on the Jovian moons.

Because Io is so close to its massive host planet, the moon is subjected to a tremendous gravitational pull as it orbits Jupiter once about every 42 hours, according to the Planetary Society.

Jupiter and Mars shine in the evening, ... Io reaches Jupiter’s eastern limb at 9:06 p.m. EDT, ... It’s even easier to get to than the directions sound.

Jupiter moon of Io is famed for its volcanoes. NASA just spotted the most powerful one yet Not only was the hot spot larger than Earth’s Lake Superior, but it also was seen belching out ...

NASA's Juno mission revealed that Jupiter's moon, Io, the most volcanic body in our solar system, doesn't possess a global magma ocean. Instead, separate magma chambers fuel its over 400 active ...

Jupiter's moon Io is a volcanic hellscape—and has been since the solar system began. Io is the most volcanic body known to science, and researchers have puzzled over its history for years.

Loki Patera might sound like the name of a Norse god's heavy metal band, but it is actually a lake made of lava located on one of Jupiter's moons, Io.On Sunday NASA scientists released a new ...

Jupiter’s moon Io has been continuously remodelled by volcanic eruptions for billions of years, possibly since it first formed. Io is the most volcanically active body in the solar system, ...