An 11-year-old boy from Cambodia's Kampong Speu province died of H5N1 human avian influenza, becoming the fourth human death from the virus so far this year, the country's Ministry of Health said in ...

After rebounding in recent decades thanks to conservation efforts, the number of once-imperiled peregrine falcons in the U.S. has been dropping again in some places due to the bird flu ...

The head of the United Nations’ atomic watchdog says that “the jury is still out” on negotiations between Iran and the U.S. over Tehran’s rapidly advancing nuclear program. But Rafael ...