For Leonard Nimoy, Spock's Hold Made Reaching Escape Velocity Futile

Leonard Nimoy, who became one of the science fiction world's most beloved icons for his portrayal of Spock in the Star Trek franchise, died Friday at his home in Los Angeles of end-stage chronic obstructive pulmonary 

Buzz Aldrin, the NASA astronaut best known for his Apollo 11 moonwalk, holds a doctoral degree in astronautics. He is co-author with Leonard David of "Mission to Mars: My Vision for Space Exploration," published by the National Geographic Society.

Leonard Nimoy, best known as Mr. Spock from the original 'Star Trek' TV and film series, died Friday at his home in Bel Air, Calif. Here, he flashes his 'Star Trek' character's "Live long and prosper" greeting as he arrives at the LA premiere of "Star

Leonard Nimoy, best known as Mr. Spock from the original 'Star Trek' TV and film series, died Friday at his home in Bel Air, Calif. Here, he flashes his 'Star Trek' character's "Live long and prosper" greeting as he arrives at the LA premiere of "Star

The title of Leonard Nimoy's autobiography was “I Am Not Spock,” and that so offended some fans that he followed it with a second, “I Am Spock.” The actor who won a permanent place on the altar of pop culture for his portrayal of Mr. Spock on “Star