Ahead of Earth Day, a sneak peek for National Geographic's The Secrets of the Penguins is revealed. Watch it here!

Columnist Barth Keck says he's been teaching "Media Literacy" for 30 years, and his inspiration for creating the class was "Amusing Ourselves to Death," a book written in 1985 by the late Neil Postman ...

Iran, US task experts to design framework for a nuclear deal, Tehran says Would you eat 3D printed plant-based beef?