Jupiter is huge when it comes to planets in our solar system, but it turns out there's actually an upper limit when it comes ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

As its name suggests, the mission’s target is Europa, one of the biggest of Jupiter’s 95 known moons. Europa is a snowball slightly smaller than Earth’s moon. It has an atmosphere that is ...

This means the gravitational force that it feels from Jupiter changes throughout its orbit, twisting and squeezing the interior of the moon, which results in energy being released as heat.

This process is called "tidal heating." It is how Jupiter currently heats up its moon Io, the most volcanically active spot in the solar system. Sponsor Message "We think that the Moon went ...

“It has implications for our understanding of other moons, such as Enceladus ... Juno will glean from the Jovian system on its next close flyby of Jupiter on December 27. At 3.8 million miles ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Juno mission ...

The Hubble Space Telescope took this photo of stripey Jupiter and its moon Europa in August 2020. The Great Red Spot, a large hurricane-like storm currently about the size the Earth, shows at bottom.

and its elliptical orbit whips it around the gas giant once every 42.5 hours. As the distance varies, so does Jupiter's gravitational pull, which leads to the moon being relentlessly squeezed.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma, resolving some ...