Imagine standing quietly on the banks of the River Avon at dusk. The air is cool, the water glimmers, and suddenly, a brown, ...

Beneath the surface of the Southern Ocean, vast volumes of cold, dense water plunge off the Antarctic continental shelf, cascading down underwater cliffs to the ocean floor thousands of meters below.

In a buoyant episode of his "True Facts" series, narrator Ze Frank takes an amusing look at the physics of water walking ...

Cliffhanger, the world's first overwater swing at sea aboard MSC World America, is a thrill ride like no other. Here's what ...