Ganymede's auroras splinter into small, bright patches — structures that mirror features seen in Earth's own auroral displays ...

Jupiter, the biggest planet in our solar system, is not as big as we thought. For more than half-a-century, astronomers thought they had a good idea of the gas giant's shape and size. Now, a fresh ...

On March 8, 1979, NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. [‘On This Day in Space’ Video ...

Observations from the James Webb Space Telescope show how Jupiter reacts to its moons through auroral footprints, plasma interactions, and rapid electron flows detected in infrared measurements.

NASA's Juno spacecraft has spotted giant cyclones swirling at Jupiter's north and south poles. That's just one of the unexpected and puzzling findings being reported by the Juno science team. Juno ...

CAPE CANAVERAL, Fla. (AP) — NASA's Juno spacecraft has provided the first close-ups of Jupiter's largest moon in two decades. Juno zoomed past icy Ganymede on Monday, passing within 645 miles. It's ...

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

A NASA spacecraft is ready to set sail for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth. Europa Clipper will peer beneath the moon’s icy crust where an ocean is ...

Astronomy textbooks worldwide may need updating after scientists announced a surprising discovery about Jupiter.

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter, the biggest planet in our solar system, is not as big as we thought. For more than half-a-century, astronomers thought ...