Nancy Roman, ‘Mother of the Hubble’ Telescope, Dies at 93

As NASA’s chief of astronomy, Dr. Roman was the first woman in a leadership position at…

John Young, Who Led First Space Shuttle Mission, Dies at 87

Mr. Young also walked on the moon and was the only astronaut to fly in the…

Richard Gordon, Astronaut Who Reached for Moon and Very Nearly Made It, Dies at 88

Mr. Gordon undertook a harrowing spacewalk in 1966 and orbited the moon in 1969, but he…

Piers J. Sellers, Climate Scientist and Astronaut, Dies at 61

Mr. Sellers was a leading figure in NASA’s scientific research programs, flying to the International Space…