Planetary research

Imaging of Jupiter as seen in ultraviolet light. In addition to the Great Red Spot, visible in blue in this image, another oval structure can be seen in the brown haze at Jupiter's south pole. The oval structure, a region of fog concentration, may have been caused by mixing generated in higher vorticity in Jupiter's ionosphere. These dark oval structures also appear in the North Pole, although less frequently. Credit: Troy Tsubota and Michael Wong, University of California - Berkeley.

Magnetic eddies reveal the secrets of Jupiter's poles

New discoveries reveal the fascinating dynamics of Jupiter's magnetic field and atmosphere, with the help of ultraviolet observations from the Hubble telescope
This view of Belva Crater was created using data collected by the Mars Perseverance rover on April 22, 2023. Credit: NASA/JPL-Caltech/ASU/MSSS

The lost atmosphere of Mars has been discovered hidden in its clay

Mars was not always the cold, desolate desert we see today. There is more and more evidence that water once flowed across the surface of the Red Planet, necessitating the existence of a thick atmosphere, but suddenly