A local fisherman in northeastern Cambodia caught a 660-pound stingray in the Mekong River and alerted scientists with the Wonders of the Mekong project. Researchers say the massive growth of this ...

Between 1998 and 2007, along a five-mile stretch of the Kali River in India, three people were reportedly dragged underwater, never to be seen again. On an episode of the Animal Planet show River ...

As we continue to explore destinations off the beaten path best seen via comfortable cruise ships, yachts, or riverboats, we found a very special trip we know will appeal to naturalists, cultural ...