On a stormy February morning in 1966, a routine training flight ended in catastrophe, killing two astronauts and coming within seconds of destroying the entire Gemini program. What happened next ...
When Apollo 11 approached the moon on July 20, 1969, its planned landing zone in the Sea of Tranquility was unexpectedly ...
The lunar south pole has similarities to alpine environments in the West, with deep craters, steep slopes and harsh lighting that can create visual illusions.