Let’s say you’re a NASA engineer in the 1960s, wearing your snazzy black plastic glasses, thinking of landing a man on the Moon and returning him safely to the Earth. You start thinking navigation. Getting into the right orbits is going to take a fair bit of computation–plus some fine control of rocket engines and […]

Enceladus, a moon of Saturn, probably has a saltwater ocean under it’s surface, at least per an analysis of data from the Cassini probe. Take it away NASA and JPL: For the first time, scientists working on NASA’s Cassini mission have detected sodium salts in ice grains of Saturn’s outermost ring. Detecting salty ice indicates […]