While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

By contrast, Saturn's atmosphere is layered more deeply. There, either weaker forcing reduces deep turbulence, or more energy ...

Jupiter harbors more oxygen than the sun, a new study finds, giving astronomers a crucial clue about how our solar system's ...

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two ...

Unfortunately for planet hunters, Mercury, Venus and Mars are all too close to the sun to observe; they will come out of the ...

Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among ...