Giant salamanders and other vulnerable amphibians will receive conservation attention and aid through a new program run by the Zoological Society of London.
X-ray fossil analysis suggests the first platypuses—egg-laying, Australian mammals with electrical sensors in their bills—go back tens of millions of years earlier than previously believed.
The U.S. has abandoned attempts to craft a recovery plan for the endangered jaguar. Critics charge that the cat is being sacrificed for the new border fence.
Whale sharks are coming under pressure from overfishing and habitat degradation, putting the world's biggest fish in urgent need of protection, says biologist Zeb Hogan. Part of a series on National Geographic's Megafishes Project.
An outbreak of hundreds of crown-of-thorns starfish is threatening a "global center of marine biodiversity" in Indonesia, surveys of the region reveal.
The U.S. Navy can continue using sonar in its anti-submarine warfare training off California, President Bush says. Critics say the practice is harmful to marine mammals.