A groundbreaking series of studies has revealed what many geologists long suspected: Earth may hold vast quantities of water far beneath its surface—potentially three times the volume of all our ...

National Geographic Explorer-at-Large Bob Ballard revisits the Iron Bottom Sound—rediscovering vessels, and making new finds.

A cinematic adaptation of Jules Verne's 1874 novel "The Mysterious Island", the story begins during the American Civil War, as famine and death ravage the city of Richmond, Virginia. Five northern ...

15x AMA Champion Ricky Carmichael and 9x AMA Champion Ryan Villopoto recap the week in Pro Motocross and Supercross. A Division of NBCUniversal. DISCLAIMER: This site and the products offered are for ...

I've tested and reviewed over 200 mattresses and other sleep products. As a sleep editor, professional mattress tester and certified sleep science coach, I’ve personally tested over 200 beds (and ...