Unlike any other moon, Io is locked in a gravitational tug-of-war between Jupiter and its neighboring moons, stretching and ...

Pairing cutting-edge chemistry with artificial intelligence, a multidisciplinary team of scientists today published fresh ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Io, moon of Jespiter Jupiter, is famously volcanically active. It has more than 400 active volcanoes, over an area the size of Asia. Some of the volcanic mountains are taller than Mount Everest.

Researchers have found Saturn’s moon Enceladus has heat circulating beneath its icy crust, meaning the chemistry of biology ...

Times listed are from The Sky This Week by Astronomy magazine, calculated for 40°N, 90°W. Central Wisconsin observers can expect sunrise, ...

This global view of Jupiter's moon, Io, was obtained during the tenth orbit of Jupiter by NASA's Galileo spacecraft. Io, ...

This month, weather permitting, we can look forward to perhaps the very best of the annual meteor showers. The Geminids are due to peak around the middle of the month, so fingers crossed for clear ...

Through a vast ocean, Jupiter's moon Europa is an exciting target for research in the search for life. Two space probes are ...

Jupiter’s volcanic moon has always felt like a place that tests your sense of what a world can be. Its surface glows with ...

This weekend, skywatchers can witness the moon and Jupiter's close proximity in the east-northeast sky, offering a brilliant celestial spectacle.

If you do check out Jupiter with a small telescope on Sunday night, you'll see all four Galilean moons, with Ganymede and Io on one side of Jupiter and Europa and Callisto on the other. The ...