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

The largest of all planets in the Solar System, Jupiter is a gas giant with a mass that is twice the size of all other planets combined. You may have learned in your school science text that if it ...

On 1979, NASA’s Voyager 1 spacecraft took the first photos of rings around Jupiter. [‘On This Day in Space’ Video Series on Space.com] This was the first time anyone had seen Jupiter’s ...

Jupiter’s nights are anything but dark. Recent images from a fleet of NASA spacecraft and the James Webb Space Telescope reveal a giant world whose unlit hemisphere crackles with lightning, glows with ...

NASA scientists spotted a weird green flash on Jupiter — a bright, unexpected burst of green light that shouldn’t be there according to everything we know about the giant planet’s atmosphere. This ...

Images captured in 2023 by NASA's James Webb Space Telescope of the massive aurora lights on Jupiter reveal unexpected activity in the gas giant's atmosphere. (Video: NASA, ESA, CSA, STScI) ...

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 ...

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 ...