New simulations suggest Jupiter holds far more water than once thought, reshaping ideas about how the largest planet formed.

For generations, Jupiter has been shorthand for a straightforward idea: the biggest planet in the Solar System, a gas giant ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on the gas giant—so thick that no spacecraft has been able to measure exactly ...

An atmospheric study reveals unexpected findings about our largest neighboring planet and the structure of its deep atmosphere.

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

Add Yahoo as a preferred source to see more of our stories on Google. A photo of Jupiter taken by NASA's Juno spacecraft in September 2023. NASA/JPL-Caltech/SwRI/MSSS ...

The atmospheres of alien planets can now be probed even if they are not illuminated by stars directly behind them, astronomers say. A new method used to scan the atmosphere of a distant "hot Jupiter" ...

There’s no mistaking Jupiter in the sky these winter evenings, rising in the southeast as evening twilight ends. In fact, you should be able to easily see it long before twilight fades. Jupiter is ...

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya Oleksuik Jupiter, the ...