CNET's sleep and wellness experts turn to these "comfort" shows for unwinding before bedtime -- and you can, too.

Off the coast of Chile and Peru, along the entire western length of South America, the seafloor takes a sharp, steep plunge deep into the Pacific Ocean. Known as the Chile margin, the region is ...

Before you get in the water this summer, remember there's a lot going on under the sea we don't yet know about.