Astronaut Walt Cunningham, who test-flew Apollo 7 command module, dies at 90

Apollo Astronaut Walter Cunningham Dies at 90

The scientist who discovered sperm was so grossed out he hoped his findings would be repressed

Michael Collins, an Apollo 11 astronaut, was dubbed the “worlds loneliest man” after his time passing through the dark side of the moon alone and losing communication with earth for over 40 minutes