The film crew tags a number of great white sharks to study their movement patterns along Australia's coast. When one of the devices washes ashore, could a killer whale be to blame?

Using an innovative camera he specially crafted, David Riggs captures thrilling activity in this marine mammal hot spot.

Baby black mambas are easy prey for mongoose, honey badgers, and predatory birds, but to small, vulnerable mammals, mambas are deadly predators.

When the remote island of Palau created the first national shark sanctuary in the world, the tourist revenue began flooding in. This is the fascinating socio-economics of sharks.

In 1956, there were no black boxes or high-tech flight recording tools available to investigate plane crashes... let alone freak accidents like this.

Country music star Trace Adkins stops by the Smithsonian to examine some authentic sheet music from the Civil War.

Scientists believe all mental processes can be converted into a simple binary code of ones and zeroes - using this code, researchers at USC have built microchips that restore memory in rats.

Contrary to popular belief, skilled divers can feed a large group of sharks without becoming dinner themselves. See how.

When a young leopard corners a baby monkey, he plays with his prey before finally finishing the kill.

In search of biblical relics, British aristocrat Robert Curzon traveled to a destitute Egyptian monastery in 1834. What he found would ignite widespread speculation about the Bible's authenticity.