A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs. The newly discovered dinosaur, Joaquinraptor casali, preyed on the soggy ...
For nearly all of Earth’s history, humans weren’t around to witness its most extraordinary animals. Long before Homo sapiens ...
A ferocious relative of the crocodile that hunted dinosaurs has been discovered, a forgotten superpredator from the ...
A tiny 242-million-year-old fossil from Devon is shaking up scientists’ assumptions about the earliest members of the lizard lineage. Instead of the expected skull hinges and palate teeth typical of ...
Papers presented at the 7th Spring Systematics Symposium of the Field Museum, Chicago, May 1984. Homology, analogy, and the evolution of behavior / George V. Lauder -- Social and unsocial behavior in ...
In 1753, French naturalist Georges-Louis Leclerc, Comte de Buffon, noted the similarities between the skeletons of a human and a horse. He wrote that by tilting, elongating, shortening and fusing the ...