In a bipartisan letter to U.S. Department of Interior, 19 lawmakers asked the agency to halt a plan to kill 450,000 barred owls along the West Coast.

In fact, errors aren’t magnified by the birds’ movements, but washed away. The flock shows what physicists call scale-free correlations, which “is like a game of telephone where information ...

Minnesota is home to a number of owl species, including the barred, screech and great horned owls. It's also the only place in North America with a center dedicated to studying them. A sign ...