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

Europa, one of Jupiter’s moons, has long intrigued scientists for its potential to harbor life. Though slightly smaller than ...

NASA Juno mission captured amazing new imagery of Jupiter's moon Europa. The spacecraft flew about 219 miles (352 kilometers) ...

Jupiter's fourth-largest moon is a main character in our search for other life-friendly places in our solar system.

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.

An atmospheric study reveals unexpected findings about our largest neighboring planet and the structure of its deep atmosphere.

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on the gas giant—so thick that no spacecraft has been able to measure exactly ...

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

WASHINGTON -- Scientists said they have found evidence of water in the atmosphere of Jupiter's icy moon "Europa." NASA said its Hubble space telescope observed the presence of persistent water vapor ...

Data from NASA's Juno mission has provided new insights into the thickness and subsurface structure of the icy shell encasing ...

"I don't think anyone's made this connection between the surface fluid pattern and the interior properties of these planets." ...

Jupiter and Saturn host strikingly different polar storms, despite being similar giant planets, and scientists have long wondered why. New simulations suggest the answer may lie deep below the clouds.