New spacecraft data from Pioneer, Voyager and Juno show that Jupiter is slightly smaller and more flattened than earlier estimates, refining the planet’s measured size and shape.

NASA has unveiled a breathtaking image of Io, one of Jupiter’s most volatile moons, captured by the Juno spacecraft during a close flyby on December 30, 2023. The detailed imagery provides an ...

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly detected the auroras of Jupiter's moon Callisto. This discovery completes the ...