Juno’s latest discoveries have pulled back the veil on Jupiter’s harsh atmosphere and the fiery volcanic world of Io. The ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

On the fiery Io, the innermost and third-largest of Jupiter ... pulls the moon closer to Jupiter, and, at times, pushes it farther away, weakening the planet's gravitational influence.

It is the sixth planet from the sun and the second-largest planet in the solar system, after Jupiter. Saturn's beautiful rings are made of icy bits of rock and dust. Scientists think the rings ...