(CNN) — Here’s a look at the first moon landing on July 20, 1969. The moon landing was watched by an estimated 600 million people around the world. July 20, 1969 – [4:17 p.m. EDT] Apollo 11 becomes ...

Every time I see the moon in the sky, it makes me happy. Our natural satellite is so familiar it’s easy to take it for granted, but in fact it’s an amazing sight. Much of its history is written on its ...

Do you ever wonder about all the stuff we still don’t understand about our own planet? Like, we live on Earth, study it and map it, but somehow there’s so much we haven’t fully figured out. Sure, ...