AI study links rare bursts of songbird evolution to ancient climate shifts across 45 million years.

A newly described feathered dinosaur found in northeastern China adds evidence supporting the theory that flight-related ...

Some birds sing. These birds scream like power tools. In Brazil, two species can unleash calls above 120 decibels—roughly ...

The transition from a lumbering, heavy dinosaur body to the flight-adapted bird body plan is one of many fascinating episodes in evolutionary history. Working out how this massive transformation took ...

An enormous meteor spelled doom for most dinosaurs 65 million years ago. But not all. In the aftermath of the extinction event, birds—technically dinosaurs themselves—flourished. Scientists have spent ...

New research measures the loudest birds known to science, with three South American species topping the chart.

A 67-million-year-old fossil has upended scientists’ long-held notions about bird evolution. Most modern birds have a jointed upper jaw that allows the top half of their beak to move. But a select few ...

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