The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants.

NASA's Juno mission has detected the most powerful volcanic eruption ever on Jupiter's moon, Io, revealing an interconnected magma reservoir system beneath its surface.

Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

Baby stars, teenage planets, and disappearing icebergs are all featured this week. Plus, a look back at a New Horizons image ...

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the beginning.

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

When Pioneer 10 flew by Jupiter on Dec. 3, 1973, its margin of survival was closer to the knife-edge than it seemed. It ...

NASA has announced it will fuel the Artemis II rocket as part of a simulated launch that will take place as early as Saturday ...

NASA's next moon rocket is on the launch pad for testing, and you can follow its progress live.

The SLS wet dress rehearsal is the rocket's last major hurdle before launch.

NASA's Artemis II crewed mission to the moon shows how U.S. space strategy has changed since Apollo -- and contrasts with ...

NASA and the Department of Energy have agreed to work together on development of nuclear reactors for the moon.