For astrophysicist Mansi Kasliwal, her appointment to the historic Palomar Observatory as the new director was a full-circle moment. The California Institute of Technology announced her new position ...

Incoming students and others are seen at the Caltech campus in Pasadena on Aug. 8. (Ringo Chiu / For The Times) To the editor: When I arrived at Caltech in Pasadena as a graduate student in chemistry ...