Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

Using data collected by NASA’s Juno spacecraft as it flew past Jupiter’s highly volcanic moon Io in late 2023 and again in ...

NASA’s Juno spacecraft identifies over 40 enormous lava lakes on Io, shedding light on the extreme volcanism sculpting Jupiter’s moon.

NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. Before Voyager 1 flew by Io, scientists ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

The shadows of Ganymede and Europa cross the face of Jupiter together March 11/12. At the time shown here, Io has just emerged from eclipse within Jupiter’s shadow; Callisto lies farther east.

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

SEE ALSO: NASA spacecraft saw something incredible near Jupiter's Great Red Spot From left, moons Ganymede, Callisto, and Io are seen orbiting Jupiter in a Hubble Space Telescope image.