Astronomers have made a groundbreaking discovery that challenges our understanding of gas giant formation within our solar ...

Looking for a sky event this week? Check out our full Sky This Week column. November 19: Venus rises in Libra Tonight, all ...

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 ...

Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...

Jupiter’s early growth carved rings in the solar system, delayed meteorite formation, and kept planets like Earth in stable ...

Jupiter already reigns as king of the planets — it's the largest one in our solar system. And now, the gas giant has the most known moons, too.Astronomers have observed 12 additional moons orbiting ...

Images captured by two different telescopes are showing our solar system's largest planet in a new light. The Gemini North telescope in Hawaii and the Hubble Space Telescope have captured Jupiter in ...

For a planet so far from the sun, its upper atmosphere is a boiling 400 degrees Celsius (750 Fahrenheit). That's about the same as Earth's upper atmosphere. "Jupiter is five times farther from the sun ...

Jupiter and its moon Ganymede in 2007. Image credit: NASA, ESA, and E. Karkoschka (University of Arizona) One of Jupiter's most baffling mysteries might be solved at last. The problem: Jupiter's upper ...

Because Jupiter is retrograding in a cardinal sign, those with personal planets in Aries, Cancer, Libra, and Capricorn will ...