Why did our ancestors ditch the shell and start growing babies inside their bodies instead? In this episode of Big Ideas, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Fossil discoveries unlock chapters of our planet’s storied ...

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 ...

New fossil discoveries in China are changing what is known about bird evolution. Two bird fossils, dating back nearly 149 million years, were unearthed in Fujian Province. These fossils provide the ...

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 -- ...

Researchers at Rice University have uncovered new insights into the evolution of bird behavior, revealing why certain mating systems persist while others disappear over time. "This research not only ...

Ch. 1. From Protoavis to Pigeon -- Ch. 2. The Design of an Airframe -- Ch. 3. The Triassic Treasures of Texas -- Ch. 4. A Portrait of Protoavis -- Ch. 5. The Jurassic Birds -- Ch. 6. The Birds of the ...