National Geographic announced it has acquired the streaming rights to "Ghost Elephants," which is written, directed and narrated by Werner Herzog and features National Geographic Explorer Steve Boyes.

Battle for the Elephants explores the creatures hunted for their ivory.PETR JOSEK Once upon a time, and not so long ago either, a million elephants roamed Earth. Last year, 25,000 elephants were ...

The photos show stunning images of nature, scientific advancements, and human-interest stories. The full list of photos can be found on National Geographic's website. National Geographic revealed its ...