New fossil scans reveal that a tiny wrist bone in dinosaurs may have set the stage for the evolution of bird flight.

Evolution of birds is result of a drastic change in how dinosaurs developed Date: May 30, 2012 Source: The University of Texas at Austin Summary: Researchers have found evidence that the evolution ...

Researchers calculated the flight ability of more than 80 ancient cicada species to analyze their evolution over time.

A newly identified wrist bone in two non-avian dinosaurs has challenged long-held assumptions about the evolution of flight.

He said the evolution of flight in birds was a messy affair that likely happened during a span covering tens of millions of years. The first bird-like fliers began appearing 150 million years ago.

For over a century, the early evolution of birds remained a mystery, and numerous suggestions were made about avian origins. For much of the past 150 years, ...

Ratites – a group of flightless birds including the emu, ostrich and extinct moa ... Study explores evolution of flightless birds Published: May 14, 2014 3:53am EDT.

The updated bird family tree delineating 93 million years of evolutionary relationships between 363 bird species. CREDIT: Jon Fjeldså (drawings) and Josefin Stiller.

The fossil skeleton of a newly discovered dinosaur species was found in a pose suggesting it slept like modern birds. This sleeping behavior may have been more common than expected among non-avian ...

The Future Evolution of Bird Flu. By Carl Zimmer. February 7, 2013 ... But they can say this: what we do when and if we face an H5N1 pandemic could alter the evolution of the virus itself.

An analysis of two theropod dinosaur fossils has shown that they had a type of carpal bone (pisiform) in their wrists—a bone ...