Long posited as a potential human outpost in science fiction, Jupiter’s icy moon of Callisto largely remains a mystery to real life planetary scientists. As one of the least studied of Jupiter and ...
A recent analysis finds up to 1,000 times more molecular oxygen than can be explained by prevailing theories about where it comes from. Eric Mack has been a CNET contributor since 2011. Eric and his ...
ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...
What exists beneath the surface of Jupiter's icy moon, Callisto? This is what a recent study accepted by The Planetary Science Journal hopes to address as a team of researchers investigated the ...