With the huge, colorful face of Jupiter as a backdrop to keep sizes in perspective, three of that planet’s four major moons are on display in new images for release today and tomorrow from NASA’s ...

Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud ...

In 1665, astronomer Giovanni Domenico Cassini observed a massive storm raging on Jupiter. It became known as the Great Red Spot, a swirling oval of clouds that’s almost twice as wide as Earth. New ...

Jupiter's iconic Great Red Spot has persisted for at least 190 years and is likely a different spot from the one observed by the astronomer Giovanni Domenico Cassini in 1665, a new study reports. The ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Jupiter’s iconic ...

According to a new analysis performed by NASA’s Cassini unmanned spacecraft, the big red spot on Jupiter is actually a result of simple chemicals being broken apart by sunlight in the planet’s ...

Jupiter's Great Red Spot has been an object of fascination for astronomers for a long time, but it still manages to surprise people shockingly often.

A $12 million University of Colorado at Boulder-built instrument package on the Cassini mission en route to Saturn has produced the first spectral images of Jupiter, including the planetís aurora and ...

Jupiter’s signature feature — its Great Red Spot — might not be the same dark spot seen on the giant planet more than three centuries ago. From 1665 to 1713, astronomer Giovanni Domenico Cassini and ...

This time-lapse movie is assembled from Hubble Space Telescope observations spanning approximately 90 days between December 2023 and March 2024. CREDIT: NASA/ESA/Amy Simon (NASA-GSFC)/Joseph ...