With fewer than 500 individuals left in the wild today, plus a few hundred more in zoos, the Sumatran tiger is a rare and critically endangered species. Dr. Alice Sievers represents a rare group too.

Add Yahoo as a preferred source to see more of our stories on Google. It’s not every day you dig up the fossilized remains of an apex predator. Unless your name is Eddie Templeton, who recently ...

To some people it may have been just a small bone; a darkened and fossilized relic laying in a creek bed since the end of the last ice age. But thousands of years ago it was a part of one of the most ...