Scientists calculated how air should flow around a flying bird based on what we know about planes, but almost no one had taken any actual measurements. Henri Weimerskirch changed that in 2001 ...

Scientists have identified the fossils of what could be the largest flying bird ever found. With an estimated 20- to 24-foot wingspan, the extinct P. sandersi was twice the size of today’s ...

I shot thousands of pictures and had the great luck to capture the moment that the murmuration took on the shape of a large flying bird - no retouches necessary! The shape then dissipated ...