An expedition searching for a rare Yangtze River dolphin ended Wednesday without a single sighting and with the team's leader saying one of the world's oldest species was effectively extinct. The ...

The possible sighting of a dolphin has been reported by 11 amateur investigators who purposefully undertook an expedition to track down any dolphins that might be residing in the vast river. The news ...

A dozen sleek grey Yangtze finless porpoises glide inside a vast pool at the Institute of Hydrobiology in Wuhan as scientists find ways to protect and breed the rare mammals in China's longest river..

Baiji dolphins, native to China's Yangtze River, are among the rarest aquatic mammals, with fewer than 100 individuals remaining in the wild. Captured by fishermen in 1980, Qiqi spent nearly 23 years ...

The goddess of the Yangtze -- The Amazon of the East -- The aquatic panda -- East meets West -- The rarest animal in the world -- The politics of extinction -- End game -- The hunting of the snark -- ...