Conservation has helped save many of the world's most important species from the brink of extinction, and these are their success stories.

A seal and sea lion may look similar, but their strengths differ dramatically when it comes to a real confrontation. Sea lions have superior speed, agility, and aggression, giving them a major edge.

As German tanks raced toward Moscow, a newly arrived Siberian division dug in on the historic fields of Borodino. Supported ...