The research was conducted across North America with the help of some 1,500 citizen scientists who observed bird behaviors ...
The United States Grand Prix at Circuit of the Americas consistently draws the largest crowds of any Formula 1 event in North ...
The average length of a sword -billed hummingbird’s beak ranges from 8 to 12 centimeters (3.1–4.7 inches). Their beaks are ...
Americans don't need to cross oceans to discover fairytale destinations, as there are plenty of magical spots in the United ...
Buried Louisiana marshes show North America, not Antarctica, fueled the world’s dramatic sea level surge 9,000 years ago.
At the Cerutti Mastodon site in California, researchers found broken mastodon bones and stone cobbles dated to 130,000 years ...