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 ...

Jupiter, the largest planet in the solar system, has long intrigued scientists seeking to understand its mysterious origins. Recently, researchers uncovered groundbreaking details that shed fresh ...

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New calculations reported by Live Science indicate Jupiter was once much larger and is still contracting as it cools, offering constraints on early solar system conditions.

Explore seven factual aspects of Jupiter, including its size, moons, rotation, atmosphere, rings, formation, and magnetic field based on NASA findings.

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 ...