Imagine a biology lab filled by a 40-foot specimen, ready for dissection. The creature has skin like a crocodile, eyes the size of softballs and intestines large enough to fit…

An astonishing journey revealing the awesome power of the natural world. Over the course of one single day, we track the sun from the highest mountains to the remotest islands…

Last Day of the Dinosaurs is a 2010 Discovery Channel television documentary about the extinction of the dinosaurs. It portrays the Alvarez hypothesis as the cause of extinction.

Man’s landing on the moon was our greatest technological achievement. The Apollo 11 mission was truly the stuff of dreams. For the first time, our species walked on another celestial…

The astronauts themselves discuss America’s lunar missions, from the race with Soviet Union to the first steps on the moon’s surface.