Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

Collaborative work by amateur and professional astronomers has helped to resolve a long-standing misunderstanding about the composition of Jupiter's clouds. Instead of being formed of ammonia ice—the ...

NASA's Voyager 1 spacecraft flew past Jupiter 45 years ago, capturing iconic footage. The Voyager probe's movie of Jupiter made history, revealing the planet like never before. See how those images ...

Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed as a ...

The planet Jupiter never fails to impress with its swirling cloud bands and massive storms like the well-known Great Red Spot. Now, new research from a team of citizen scientists working in ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

Next to the Sun and Moon, the celestial object with the greatest visible detail is Jupiter. Even small telescopes can immediately show the four Galilean satellites (the four moons of Jupiter ...

The shocking findings were part of a recent study in which astronomers effectively peered back in time to discover what Jupiter was like in its early years. Jupiter is not only the largest in the ...

Collaborative work by amateur and professional astronomers has helped to resolve a long-standing misunderstanding about the composition of Jupiter’s clouds. Instead of being formed of ammonia ice – ...