Callisto may not make headlines like Io or Europa, but its beauty is unmatched. See this mysterious moon as you’ve never seen ...

Jupiter's volcanic moon Io doesn't appear to have a subsurface ... gravitational tides from fellow moons Europa, Ganymede and Callisto, it means that a huge amount of tidal energy is injected ...

📅 Today in History: In 1610, Italian astronomer Galileo Galilei, through improvements he made on a homemade telescope, first observed Jupiter’s four Galilean moons: Ganymede, Callisto, Io and Europa.

Last year saw the launch of a European probe called the Jupiter Icy Moons Explorer (JUICE). It will likewise examine Europa, as well as Callisto and Ganymede, two other moons that are also thought ...

If conditions are clear, anyone with a pair of binoculars or a telescope may even be able to pick out details, such as Jupiter’s four largest moons — Ganymede, Callisto, Io and Europa.

The Epic Games Store has a new free mystery game for December 30 thatis now available to download on PC to anyone.

This shows the view at 9 p.m. CST. Watching the dance of the four brightest of Jupiter's 95 known moons is a lot of fun, too. Io, Europa, Ganymede and Callisto change position night after night ...

Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma ... Coupled with similar but smaller gravitational tides from fellow moons Europa, Ganymede and Callisto, it means that a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: (left) NASA/JPL-Caltech/SwRI/MSSS Image processing by Emma Wälimäki; (inset) NASA ...