Soviet success with Sputnik initially prompted the US military to consider the detonation of a nuclear weapon on the moon’s ...

Despite a surge in satellite deployments, the fundamental operating model for spacecraft hasn't evolved much since Sputnik ...

Sputnik 1's liftoff on Oct. 4, 1957 sparked worries in the U.S., made all the more vexing by the embarrassing and humiliating failure later that year of America's first satellite launch when the U ...