PASADENA, Calif. — Linda Spilker checks the clock: 12:04 p.m. As the NASA scientist sits in this crowded conference room on the Caltech campus, the aging Saturn orbiter Cassini is flying past ...

Alan Burdick discusses the end, on September 15, 2017, of NASA’s Cassini mission to Saturn, ... Stupik joined the team in 2013, straight out of grad school for aerospace engineering.