There is a volcano on Mars that is three times the size of Mount Everest

Astronauts on the International Space Station observe about 15 sunrises and sunsets every day

The first man-made object to enter space was a German V2 rocket

The Earth's rate of rotation is slowing at a rate of about 17 milliseconds a century. The length of a day for the dinosaurs was closer to 22 hours

On Saturn's moon Titan, gravity is so low and the atmosphere is so thick that humans could fly by flapping arms like wings