Wrist evolution helped birds to conquer the air. Fossil data and analysis of a modern bird’s development reveal that this evolution preceded bird origins Xing Xu is at the Institute of Vertebrate ...

The shared history of birds and dinosaurs is well-established, but exactly how true birds evolved during the Mesozoic is a bit of a mystery. Adding to this conundrum are fossilized footprints of ...

Scientists have revealed the African origins of New Zealand's most mysterious giant flightless bird -- the now extinct adzebill -- showing that some of its closest living relatives are the pint-sized ...