State of the Birds report identifies 112 "tipping point" species — those that have lost more than half their populations in ...

Its spread to mammals, including dairy cows in the U.S., has raised concerns among governments about a risk of a new pandemic ...

The United States reported the first outbreak of the deadly H7N9 bird flu on a poultry farm since 2017, as the country ...

Modern birds are the living relatives of dinosaurs. Take a look at the features of flightless birds like chickens and ...

The new research -- funded by the U.S. Food and Drug Administration -- demonstrates that this aging alone may not inactivate ...

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.