Reuters — A NASA science satellite circling Mars had to maneuver this week to avoid crashing into one of the planet’s two small moons, the U.S. space agency said on Thursday (March 2). The MAVEN spacecraft, which is studying Mars’ vanishing atmosphere, fired up its engine on Tuesday to boost its speed by about 1.3 feet per second (0.4 meters per second) so it could steer clear of the Martian moon Phobos, the National Aeronautics […]