It's the evening of December 24th, 1914 and you're literally up to your knees in muck. You are a British soldier in the support trenches...

First contact. It's been portrayed in countless movies and science fiction books. It's been hypothesized on by countless scientists,...

We've all seen the photograph. Known as The Blue Marble, the image was captured by an Apollo 17 crew member on December 7, 1972, from a...