Gemini 8: Neil Armstrong's close call on his first mission to space
10 things in the universe so huge they'll blow your mind
NASA's cozy relationship with Hollywood is kind of a gamble
What would happen if you fell into a black hole?
Did we really land on the moon? The big questions and eye-opening answers
Secrets of the sun uncovered
Space Week: Sex in space?
Buzz Aldrin: 'Earth isn't the only world for us anymore'
NASA just released 9,200 Apollo mission photos that will change how you see space
Incredibly cool inventions that came to be thanks to NASA
Happy World Space Week!