A new understanding of why some animals evolved to be loners, and the benefits that brings, shows that a social lifestyle isn ...

The world’s rarest creature died in 2012. His name was Lonesome George, and he was the last Pinta Island tortoise, a subspecies of Galápagos tortoise. By most estimates, he was 100 years old ...

Lonesome George was first seen by a Hungarian scientist on the Galapagos island of Pinta in 1972. Environmentalists had believed his subspecies ( Chelonoidis nigra abingdoni ) had become extinct.

Once ready to survive, they are released back into the wild. The path culminates at the exhibit of Lonesome George, aptly named "Symbol of Hope." Lonesome George was the last known individual of ...