Thick, swirling clouds cover Jupiter from pole to pole. They hold water like Earth’s clouds, but at far greater density.

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two planets host very different types of polar vortices, which are huge atmospheric ...

Unlike earlier studies, which often examined chemistry and atmospheric motion separately, the new simulations combined both.

For three months, the Hubble Space Telescope stared at the famous blemish on Jupiter. What the veteran spacecraft found surprised NASA scientists. Jupiter’s Great Red Spot (GRS) is “jiggling like a ...