Scientists Uncover Fossil of a Terror Bird That Could Be the Largest Ever Known, Stood Over 8 Feet Tall Scientists have found what could be the largest "terror bird" ever known, from a fossil in ...

Millions of people around the globe spent some of their childhood watching Big Bird on Sesame Street. The giant, yellow eight ...

Despite their large size — with wingspans reaching around 5.5 feet (1.7 meters) — they're also preyed upon by other birds, including eagles, owls and hawks. But these vultures have a nifty ...