Astronomers are ready to search for the fingerprints of life in faraway planetary atmospheres. But first, they need to know ...
Its mission? To create a 3D map of one-third of the sky—the largest such map ever made. This “cosmic atlas,” as it’s also called, will be the culmination of six years of observations with ...
In the late 1970s, Saturn’s odd moon Titan, a hazy orange world, was expecting visitors — first, NASA’s Pioneer 11 probe, then the twin Voyager spacecraft. Most moons are airless or boast little more ...