In addition to her science writing, Fox was a relationship columnist for America Online, Oxygen, and Dating911 from 1997 to 2001. Writing under the moniker "The Dating Diva," she was known for making metaphorical parallels between quantum physics and modern romance. She is also a published travel writer.
Fox is a 1987 graduate of the National Cathedral School. She majored in physics and English at Amherst College and studied science communication as a graduate student at University of California, Santa Cruz. She is the daughter of Patricia Smith, founder of the nonprofit women's organization Peace X Peace and co-founder of the Melton Foundation.