Birds are the only dinosaur lineage that survived until today. About 66 million years ago at the Cretaceous–Paleogene (K–Pg) boundary, a mass extinction event destroyed all non-avian dinosaurs, ...

Almost every plant we eat has a flower, and flowering plants populate every corner of the planet. But many questions remain about how and when this vast group emerged throughout the history of life on ...

The Magic Kingdom has the regal Cinderella Castle. With Epcot, it's the gleaming and futuristic Spaceship Earth. These are Disney's theme park icons, which appear in photographs and advertising so ...

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 ...

The peppered moth is an iconic example of Charles Darwin’s theory of evolution by natural selection. For centuries peppered moths (Biston betularia) were common in the forests around Manchester, ...

The interconnected, incestuous web of grapefruit lineage commences with a wild fruit indigenous to the Caribbean. A hybrid of the pomelo and orange, it was exceedingly sour, filled with seeds, and ...