Jupiter

Ouch! A Monster Asteroid Crashed Into Ganymede 4 Billion Years Ago, Rolling it Over

Jupiter's moon, Ganymede, is a fascinating celestial body. Measuring 5,268 km (3,272 mi) in diameter, it is also the largest…

1 month ago

Is There a Low-Radiation Path To Europa?

Any mission to Jupiter and its moons must contend with the gas giant's overwhelming radiation. Only a judicious orbital pattern…

2 months ago

Why is Jupiter’s Great Red Spot Shrinking? It’s Starving.

The largest storm in the Solar System is shrinking and planetary scientists think they have an explanation. It could be…

3 months ago

New Images From Webb Reveal Jupiter's Complex Atmosphere

The James Webb Space Telescope (JWST) has accomplished some spectacular feats since it began operations in 2021. Thanks to its…

3 months ago

The Great Red Spot Probably Formed in the Early 1800s

Jupiter's Great Red Spot (GRS) is one of the Solar System's defining features. It's a massive storm that astronomers have…

4 months ago

New Telescope Images of Io are so Good, it Looks like a Spacecraft Took Them

The Large Binocular Telescope (LBT), located on Mount Graham in Arizona and run by the University of Arizona, is part…

4 months ago

Juno Reveals Secrets About Europa’s Icy Surface

Europa has always held a fascination to me. I think it’s the concept of a world with a sub-surface ocean…

5 months ago

Juno Reveals a Giant Lava Lake on Io

NASA's Juno spacecraft came within 1,500 km (930 miles) of the surface of Jupiter’s moon Io in two recent flybys.…

6 months ago

It's Time for Jupiter's Annual Checkup by Hubble

Each year, the Hubble Space Telescope focuses on the giant planets in our Solar System when they're near the closest…

7 months ago

NASA’s Juno Probe Makes Another Close Flyby of Io

The Juno spacecraft has revealed some fascinating things about Jupiter since it began exploring the system on July 4th, 2016.…

8 months ago