Scientists and conservationists make efforts to save the Iberian Lynx, widely regarded as the world's most endangered cat.

Examining human survival mechanisms that modern science is only beginning to understand.

Modern-day balloonists re-create the first crossing of the English Channel, which took place Jan. 7, 1785.

A mysterious World War II wreck discovered off the coast of Italy by archeologists could be the wreck of the U-455, the last missing German U-boat.

The ambitious projects under development to save Tokyo, the most populated urban zone on the planet that is built on a fault line, and threatened by flooding and several active volcanoes.

The forgotten ships that made possible the liberation of France during World War II.

Nearly a century after having disappeared from its natural habitat, the German wolf is making a comeback in its native ecosystem. The reason for their return and expansion could be thanks to an unlikely ally… the military.

It all began in Florida in the 80’s when exotic fish aficionados decided to released their lionfish into the nearby ocean waters below… In ten years, the lionfish has conquered a massive territory at a horrifying speed. Scientists call him the worst invader of the planet.

The fire ant strikes fear in all those who cross its path, and with good reason: this ant is taking over the world. A colony can contain up to 40 million individuals. It exterminates all other species, confiscates food for its own use, and ferociously defends its territory.

People try to save the unique Cuban crocodile from extinction.

On the 50th anniversary of Apollo 13, Cmdr. Jim Lovell and NASA engineers recall the ingenuity and superhuman efforts that turned a potential space flight disaster into an extraordinary fight for survival.

An exploration into the sharks of the icy North and their fascinating survival strategies.

La Antártida es un continente misterioso y inexplorado. Gracias al Instituto Antártico Chileno y al Centro de Investigación Dinámica de los Ecosistemas Marinos, un grupo de científicos sufren temperaturas extremas para estudiar el cambio climático y las corrientes oceánicas de la tierra.

Our earliest ancestors, before developing agriculture as a source of food, formed what is considered hunter-gather societies. The Hadzabe of Tanzania are considered one of the last of these tribes on the planet. How do they pass down the knowledge of this way of life to the next generation?

Nature documentary about otters.

The science of sports and athleticism.

The archeology of shipwrecks.

Underwater photographer Peter Kragh explores the coast of California and reveals some of the most spectacular life found under the sea.

The 50-year-old anesthetic ketamine might be a new tool for fighting depression and suicide.

Ohio bicycle mechanics Orville and Wilbur Wright change the world by flying the world's first successful airplane in 1903.

Life blooms in unexpected ways in California, from desert wildflowers to jellyfish colonies off Monterey.