An curved arrow pointing right. Right now, NASA's Juno spacecraft is orbiting Jupiter. It's the second spacecraft in history to do so, and its orbit is taking it over Jupiter's north and south pole.

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 ...

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

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.

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

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

NASA scientists have reestablished communications with the Juno spacecraft following the probe sliding into safe mode on April 4. Live updates: SpaceX launch set for 10:09 p.m.

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 ...

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 ...