A herd of African elephants instinctively formed an "alert circle" to protect the younger elephants at the San Diego Zoo ...

Stone tools crafted by ancient humans between 24,000 and 12,000 years ago that were recovered from coastal South Africa's ...

Open plains make them visible to predators like ... During the dry season some grassland gazelles will even take to the African bush in search of water. Gazelles are nimble and beautiful animals ...

and the region that's now the coast of South Africa was a few miles inland. "Instead of being right on the water like they are today, these caves would have been near vast, open plains with large ...

Almost by accident, he realized, he had conserved a rare glimpse into the everyday lives of an African-American community on the Great Plains ... and due to open on the National Mall in 2015.