Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

Jupiter and Saturn have always ... a central cyclone at the north pole. At the south pole, five cyclones were doing the same thing. “Juno is the first mission designed to give the instruments ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

When Juno arrived last July, it made a two-hour pass from the planet’s north to south pole that brought it within 3,000 miles of Jupiter’s roiling cloud tops. Then Juno sped away, taking 53.5 ...

NASA's Juno spacecraft has resumed normal operations after entering safe mode twice during its 71st close approach to Jupiter on April 4. Safe mode is a precautionary status that a spacecraft ...

But sometimes, the gas giant gets the best of it. The Juno mission recently went into an unexpected safe mode during a scheduled flyby of Jupiter, temporarily powering down its science instruments.

There's some good news and just-okay news about NASA's mighty little spacecraft Juno, which has been orbiting Jupiter since 2016. The good news is that, on Wednesday (April 9), the agency ...

The team managed to spot the event using data from the Keck II telescope and measurements taken by the Juno spacecraft above Jupiter, which happened to be “in the right place at the right time ...

The culprit was probably Jupiter's incredibly intense radiation belts. There's some good news and just-okay news about NASA's mighty little spacecraft Juno, which has been orbiting Jupiter since 2016.