Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...

The discovery of a 69-million-year-old bird fossil is reshaping our understanding of avian evolution.

The Late Cretaceous modern (crown) bird,Vegavis iaai, pursuit diving for fish in the shallow ocean off the coast of the Antarctic peninsula, with ammonites and plesiosaurs forcompany. 66 million years ...

Some paleontologists think that fossils recovered from Antarctica are evidence of birds similar to modern geese and ducks ...