Lonnie Shekhtman It started as a routine data-quality check. But as Robert Wagner, a scientist with NASA’s Lunar Reconnaissance Orbiter (LRO), scanned a giant Moon map on his computer screen, an unusually large bright spot circled by a dark halo caught hi... See more
NASA’s Lucy spacecraft revealed that a bizarre wobbling, peanut-shaped asteroid holds surprising clues about ancient water and the origins of the solar system. Even a relatively small asteroid can have a surprisingly dramatic history. During a close flyby... See more