These NASA missions were not only a steppingstone to the Moon, but influenced many aspects of the way humans still travel ...

The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck ...

Millions of Americans listened in startled silence as NASA’s Paul Haney ... a green “rigid” sign flashed on, indicating that Gemini and Agena were now physically and electronically linked ...

NASA approved the design of the new Gemini spacecraft. This small capsule could carry two astronauts into space at a time.

Gemini crewmen found it nearly impossible to maneuver the stiff pressure suit in zero-G without tethers and adequate handholds and footholds. NASA, deceived by results from weightlessness ...