From kayaking accidents to mighty powerful waves they survived underwater.
Scientists head to a graveyard in China to further search for answers to the question of dinosaur color.
Take a look of these images of iconic Alcatraz.
Professor Nick Eyles examines layers of earth and reveals the geologic journey that has shaped the planet.
Petra Gallery 1
Extreme Ice: Greenland
Animated Images from the Known Universe.
Just how big was the biggest dinosaur ever to walk the face of the earth?
Meet the top predator of his day, the T. rex.
Strange Days on Planet Earth: Dirty Secrets
Follow the embryonic and fetal journey of one of nature's most fascinating reproductive accidents.