Over the past half century, researchers have established that birds evolved from dinosaurs: specifically, the theropods, the ...

Few subjects in evolutionary theory have posed such intriguing puzzles for so long as the origin of birds. Evidence of avian beginnings has been elusive in the fossil record because birds' light, ...

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 ...

Mesozoic Pompeii -- The evolution of an airframe -- The origin of birds -- Archaeopteryx : an ancient wing -- Protoavis : a precocious Triassic bird -- Basal avialans : the long-tailed birds -- ...

Scientists uncovered a 149-million-year-old bird fossil in southeastern China with unexpectedly modern traits they believe could rewrite the evolutionary history of birds. The recently discovered ...

(Reuters) - Scientists have unearthed in southeastern China the fossil of a quail-sized bird that lived about 150 million years ago during the Jurassic Period and possessed surprisingly modern traits, ...

Researchers have discovered a 149-million-year-old bird fossil in southeastern China, featuring a short tail structure that could rewrite the evolutionary history of birds. As detailed in a study ...

The Fujianvenator had elongated lower legs that were twice as long as its thighs. The 150-million-year-old dinosaur is likely a very early bird ancestor, as old as the Archaeopterix. This suggests ...

Mesozoic birds and their world -- The ancestry of birds and the origin of flight -- The bizarre Mononykus and its kin : an evolutionary experiment -- Archaeopteryx : the earliest bird -- Rahonavis and ...

Scientists have long wondered whether evolution would follow the same path if history had a chance for a “do-over.” New research suggests that it does, when it comes to the brain and its regulation of ...