Blake Lively narrates National Geographic's "Secrets of the Penguins," the latest installment of its Emmy Award-winning franchise, streaming April 21.

A shocking documentary unveils an 80-year cover-up of non-human intelligence and government efforts to reverse-engineer alien technology.

The US Air Force and Northrop Grumman conducted a full-scale static fire test of the Sentinel ICBM’s stage-one solid rocket ...

As any Pokémon fan worth their salt should know, Doduo makes up for its lack of wings with powerful legs and a second head.