Former Astronauts
NASA Remembers Trailblazing Astronaut, Scientist Mary Cleave
Science
Dr. Thomas Hughes
Retired NASA astronaut Mary Cleave, a veteran of two NASA spaceflights, died Nov. 27. She was 76. A scientist with training in ...
Retired NASA astronaut Mary Cleave, a veteran of two NASA spaceflights, died Nov. 27. She was 76. A scientist with training in ...