Space Science News
Over the last 60 years, NASA has achieved every one of those goals, and it continues to seek answers to some of the biggest mysteries in science as it evolves with a changing world. To truly grasp the significance of the US space agency’s presence over the last half century, we must start at the beginning with the launch of the first U.S. spacecraft: Explorer 1, a little satellite that made a huge discovery.Credit GREAT SPACEX