Jupiter

Latest about Jupiter

An illustration of Jupiter and its four largest moons.

New auroras detected on Jupiter's four largest moons

By Robert Lea published

The four largest moons of Jupiter - Io, Europa, Ganymede, and Callisto - have newly discovered auroras that can be seen in visible light.

Jupiter
ESA’s Jupiter Icy Moons Explorer (JUICE) spacecraft being unpacked at Europe’s Spaceport in French Guiana.

Europe's JUICE Jupiter spacecraft arrives at spaceport ahead of April launch

By Andrew Jones published

The European Space Agency's Jupiter Icy Moons Explorer (JUICE) spacecraft has arrived at Europe's Spaceport in French Guiana for the final preparations for launch.

Jupiter
The European Space Agency's JUICE spacecraft entering thermal testing.

Europe's JUICE mission to Jupiter's moons preparing for April 14 launch

By Andrew Jones published

Europe's mission to explore three icy moons of Jupiter is all set to begin its voyage to the outer solar system.

Jupiter
An illustration of the surface of Jupiter's moon, Io, the most volcanic body in the solar system

Massive, months-long volcanic eruption roils Jupiter's moon Io

By Robert Lea published

Jupiter's moon Io is the most volcanic body in the solar system, with outbursts occurring yearly. A particularly large volcanic eruption was spotted in the fall of 2022.

Jupiter
An illustration of a hot Jupiter orbiting its parent star closely.

Newfound 'hot Jupiter' exoplanet celebrates New Year's every 5 days

By Robert Lea published

A newly discovered hot Jupiter exoplanet located 530 light years from Earth experiences a new year every five days and has a blisteringly hot surface temperature of around 2240 degrees Fahrenheit.

Jupiter
montage New Horizons images of Jupiter and Io

Jupiter's 10 most massive mysteries

By Elizabeth Howell published

Reference Jupiter has come under close spacecraft scrutiny for more than 50 years. But the gas giant still has a host of secrets.

Reference
A view of Jupiter's moon Europa captured by NASA's Juno mission during its Sept. 29, 2022, close flyby at the moon. The spacecraft was 945 miles (1,500 kilometers) above the moon's surface when the image was taken.

Europa's icy crust may let more material into hidden ocean than thought

By Sharmila Kuthunur published

New research shows that even smaller impacts can warm and soften enough ice on Jupiter's moon Europa to send material sinking into the underlying ocean.

Jupiter
Infrared images of Jupiter taken in 2016 show cooler areas in blue and warmer areas in orange.

Something weird is happening in Jupiter's atmosphere, 40-year study shows

By Tereza Pultarova published

Something odd is happening in Jupiter's atmosphere, a new study has revealed.

Jupiter
Jupiter's volcanic moon Io seen by the Juno probe earlier this year.

NASA probe to inspect the solar system's most active volcanic world, Jupiter's Io

By Tereza Pultarova published

After exploring Ganymede and Europa, NASA's Jupiter probe Juno is about to set its sights on the third of the giant planet's four main moons — the mysterious volcanic moon Io.

Jupiter
The antenna array at the High-Frequency Active Auroral Research Program.

Huge HAARP antenna array is bouncing radio signals off Jupiter

By Brett Tingley last updated

The High-frequency Active Auroral Research Program, or HAARP, is in the midst of a wide-ranging science campaign that will see the facility bounce signals off the moon and Jupiter.

Jupiter
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