Everything You Need to Know About Planet Earth

Planet Earth is the ground you are standing on right now.

In your everyday life, you don't really think about how amazing that is. A huge, ancient, hot rock. How did it come to be and how big is it really? You will be surprised. The ground you stand on is only a very, very small part of a big picture.

Videos that explain things. Things like evolution, time, space, global energy, or our existence in this crazy universe.