For "Earth Day", the National Geographic documentary series "The Secret World of Penguins", produced by Oscar winner James ...

A National Geographic documentary about the building of the new Interstate ... The program airs at 7 p.m. on the National Geographic channel.

April 8 (UPI) -- National Geographic is previewing Titanic: The Digital Resurrection, a 90-minute documentary special that offers a unique look at the 1912 shipwreck.

In Titanic: The Digital Resurrection, researchers uncover new details about the ill-fated ship. The first time Parks Stephenson saw a full-scale digital rendering of the Titanic lying on the ocean ...