Advances in NASA Imaging Changed How World Sees Mars

Sixty years ago, NASA’s Mariner 4 captured groundbreaking views of the Red Planet, leading to a steady stream of advances in the cameras used to study other worlds. In 1965, NASA’s Mariner 4 mission brought Mars into American living rooms, where TV sets showed fuzzy black-and-white images of a cratered landscape. The spacecraft took 21 […]

NASA Astronaut Shannon Walker Retires

NASA astronaut Shannon Walker retired July 10, concluding a career that spanned 38 years, including 30 years of federal service and more than 21 years as an astronaut. During two spaceflights, she spent 330 days in orbit, contributing to hundreds of scientific experiments and technology demonstrations for the benefit of humanity. Walker served as a […]