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

NASA's spinning spacecraft studying the satellites of the solar system's largest celestial body (aside from the sun), may already be switched off, but the space agency won't say. The Juno probe ...

Ganymede, Jupiter’s largest moon, produces auroras like Earth’s. New data from Juno reveals surprising details about its magnetic field.

NASA's spinning spacecraft studying the satellites of the solar system's largest celestial body (aside from the sun), may already be switched off, but the space agency won't say. The Juno probe ...

NASA’s Juno spacecraft, which has spent years studying Jupiter and uncovering some of the most detailed insights about the planet’s atmosphere and storms, may have stopped communicating with Earth.

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 ...

The Jupiter-bound Juno probe will make a final encounter with Earth Wednesday before heading off to study our solar system's largest planet. Juno's flight plan takes it beyond the orbit of Mars and ...

Next Wednesday Oct. 9, the Juno spacecraft will make an extremely close approach to Earth as part of a gravity assist maneuver to boost to it to Jupiter. The probe was launched on Aug. 5, 2011 on a ...

An image of Jupiter in space, a gas planet with stripes of brown, white, red, and orange - Alones/Shutterstock Jupiter is the largest planet in the Solar System, a gas giant so massive in scale that ...

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 ...