An atmospheric study reveals unexpected findings about our largest neighboring planet and the structure of its deep atmosphere.

Astronomers using NASA’s Hubble Space Telescope have measured the rotation rate of an extreme exoplanet by observing the varied brightness in its atmosphere. This is the first measurement of the ...

Jupiter and Saturn host strikingly different polar storms, despite being similar giant planets, and scientists have long wondered why. New simulations suggest the answer may lie deep below the clouds.

Hubble’s Planetary Portrait Captures New Changes in Jupiter’s Great Red Spot Scientists using NASA’s Hubble Space Telescope have produced new maps of Jupiter the first in a series of annual portraits ...

SANTA CRUZ — Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed as a “super-Jupiter” has substantial differences from our solar system’s ...

The giant planet Jupiter is back in our evening sky this week. Fresh from its opposition with the sun on Jan. 10, it now lies as close to the Earth as it ever comes, and shines at its most brilliant.