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

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point of interest on Jupiter's moon Io. For example, one X u ...

Including the Perijove 71 events, Juno has unexpectedly entered spacecraft-induced safe mode four times since arriving at Jupiter in July 2016: first, in 2016 during its second orbit, then in 2022 ...

Juno was about to make its fourth close flyby of Jupiter, and the Atacama Large Millimeter/submillimeter Array here on Earth, along with the Hubble Space Telescope in orbit, were also pointed at ...

we want to get a global view of Jupiter.” Juno’s polar orbit will accomplish that goal. Each time the spacecraft passes over Jupiter’s poles, the planet will have rotated beneath it.

Scientists spent four years challenging an out-of-the-box theory that ammonia and water form slushy hailstones on the gaseous planet. Looks like it’s true.

Prior to the launch of the Juno mission, a NASA space probe launched in 2011, now in orbit around Jupiter, scientists generally thought that other planets would be similar to Earth, where the ...