Many readers may remember watching "NOVA" in middle school or high school science classes, and some of us haven't seen it since -- which is a missed opportunity for both science fans and history buffs ...

NOVA investigates why the ancient Maya abandoned the cities they had lived in for centuries. The ancient Maya built large complex cities with towering pyramids and temples that served as centers for a ...

Uncover the bizarre history of the poles, from miles-thick ice sheets to warm polar forests. Following a trail of fossils found in all the wrong places -- beech trees in Antarctica, redwoods and hippo ...

For the longest time, we thought we knew the origins of our species. We thought we began 200,000 years ago in East Africa. But new revelations from out here in Morocco, from a part of Africa that ...

Uncover the surprising ancient origins of mammals, a story that began long before the dinosaurs' reign. Surveying Earth's tumultuous past reveals how some of our earliest ancestors, the therapsids – ...