Jupiter has just been put on a cosmic diet. New measurements led by an Israeli team show that the giant planet’s diameter is about 8 kilometers smaller than long‑standing estimates and that its poles ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

Jupiter, the largest planet in our Solar System, has just gotten a bit smaller, at least according to the latest data. New ...

The biggest planet in our Solar System just got a little smaller. Okay, not physically, but our measurements of Jupiter just ...

Jupiter's radius is now estimated to be about 5 miles smaller than previously thought, while the distance from pole to pole is about 15 miles less.

Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...

After 50 years of assumptions, fresh data from NASA’s Juno spacecraft reveals Jupiter is slightly smaller and flatter, prompting scientists to rethink what they truly know about the gas giant.

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...

Jupiter, the largest planet in the solar system, isn’t exactly the size and shape scientists believed it was. New measurements from the Juno spacecraft show ...

An international team of researchers using data from NASA’s Juno mission has redefined the physical dimensions of the gas ...

Lording it over the heavens this month is the planet Jupiter, king of the gods in Roman mythology and the leading light of January’s sky. The planet is opposite to the Sun on 10 January, when it is ...

For decades, scientists believed they had a solid handle on Jupiter’s size and shape.