Last year was the deadliest on record for manatees, many of whom starved to death because of a lack of seagrass. A die-off is happening again this year, and federal and state officials as well as volunteers in Florida are…

By Miles O'Brien, Will Toubman

Friday's announcement by the U.S. Fish and Wildlife Service would place greater weight on the economic benefits of developments when deciding if land or water should be protected.

By Matthew Brown, Associated Press

America's national symbol, the bald eagle, has officially been taken off the endangered species list 40 years after coming close to extinction. The NewsHour reports on how and why this iconic bird is thriving once again.