Read article - Lauren Edgar '07 is one of 10 people NASA selected to join its 2025 astronaut candidate class. While at Dartmouth, Edger took a class called "Life on Mars?" with Mukul Sharma, a professor of earth sciences, and former astronaut Jay Buckey, now a professor of medicine and director of Dartmouth's Space Medicine Innovations Lab. "She always wanted to be an astronaut and so her dream and hard work have borne fruit," Sharma said. "I remember making a deal with her—when she brings Mars samples back, I will have the first dibs!"