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

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

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 ...

Birds descended from theropod dinosaurs by the Late Jurassic, but our understanding of the earliest evolution of the Avialae, the clade comprising all modern birds but not Deinonychus or Troodon, has ...

The study found that bird species who nest in tree cavities have independently evolved heightened aggression across lineages, particularly in females. Scientists have long wondered whether evolution ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? For years, scientists have split neoaves (which make up 95 percent of bird species) ...

Dear EarthTalk: How has the prevalence of bird feeders in the U.S. affected birds’ evolution? Is putting up a bird feeder good or bad for ecosystems and the planet? — E.L., Twin Falls, Idaho Answer: ...