Time of the Giants

Secret societies is the new code word for organizations believed to pull the strings of the world. These groups have been both credited and blamed...

How do you brave acute mountain sickness? We talk to researchers, doctors and mountaineers about a syndrome whose mechanisms are still poorly...

Hormones – without them, nothing would work in our body: the messenger substances control our physical and mental state. New studies show how...

From the team behind the NSF-supported prehistoric hits Dinosaurs Alive, Titans of the Ice Age, and Dinosaurs of Antarctica comes the planet’s...

How did humanity's earliest ancestors evolve into one of the most successful species on Earth? An extraordinary journey tracing the footsteps of...

The film is filled with fun facts that show how cats make good pets, yet in other ways are wild and untamable.