NASA’s Psyche Spacecraft Just Used Mars as a Giant Slingshot

NASA’s Psyche spacecraft just used Mars as a giant slingshot on its journey to a mysterious metal world that could reveal what’s hidden inside planets like Earth. NASA’s Psyche spacecraft successfully completed a close flyby of Mars on May 15, passing just 2,864 miles (4,609 kilometers) above the planet’s surface. The maneuver used Mars’ gravity [...]