Jupiter
New Jupiter Mission Moves Forward
NASA announced today that it's pressing forward with a new mission to Jupiter called Juno, which will launch no later…
Amalthea is Just a Pile of Icy Rubble
By studying data gathered by NASA's Galileo spacecraft, researchers have come to the conclusion that Amalthea, one of Jupiter's moons,…
Jupiter Reflects the Sun’s X-Rays
Astronomers have used the European Space Agency's XMM-Newton telescope to watch X-rays coming from Jupiter. These X-rays are mostly reflected…
Jupiter’s Auroras Helped by Io
Jupiter's massive magnetic field is so powerful, it can generate auroras one thousand times more powerful than we'll see here…
Jovian Moon Was Probably Captured
New observations of Jupiter's moon, Amalthea, reveal that it probably didn't form with the giant planet. The observations were made…
Triple Eclipse on Jupiter
The Hubble Space Telescope took this rare picture of a triple eclipse on Jupiter, an event that only happens once…
NASA Awards Jupiter Icy Moons Mission
NASA has chosen Northrop Grumman Space Technology to build its upcoming Prometheus Jupiter Icy Moons Orbiter (JIMO) spacecraft, and awarded…
Stream of Particles from Io
Jupiter's moon Io is peppered with volcanoes spewing gas and dust up to 400 km (284 miles) high. You'd think…
Ganymede’s Lumpy Interior
Scientists have used data from NASA's Galileo spacecraft to uncover strange rocky lumps underneath Ganymede's icy shell. One theory is…
It Doesn’t Get Much Hotter Than Io
When Galileo went past Jupiter's moon Io, it found parts of it reached temperatures as high as 1,610 degrees Celsius…