Complex sentence: Born in Los Angeles, Ride joined NASA in 1978 and, at the age of 32, became the first American woman in space and still remains the youngest American astronaut to travel to space.
Split into simpler sentences: Born in Los Angeles, Ride joined NASA in 1978 and, at the age of 32, became the first American woman in space. See Rogers Commission Report and Columbia Accident Investigation Board Ride remains the youngest American astronaut to travel to space.