
New large-clawed Jurassic dinosaur sheds light on elusive lineage

New large-clawed Jurassic dinosaur sheds light on elusive lineage

Colorizing Dinosaurs: Feather Pigments Reveal Appearance of Extinct Animals
Long the range of the imagination, the coloration--and origin--of feathered dinosaurs and ancient birds has begun to be revealed through fossilized organelles

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Breathtaking: Alligators breathe like birds, underscoring an ancient link--and possibly a survival strategy

Paleontologist Peter Ward's "Medea hypothesis": Life is out to get you

How Asteroids Built the Continents
Did asteroid strikes during the earth's youth spawn the earliest fragments of today's landmasses?

Readers Respond on the "Origin of Computing"
Letters to the editor from the September 2009 issue of Scientific American

Bird-like dinosaur used venom to subdue prey

Italy science council funds creationist book

Newly Discovered T. Rex Relative Fleshes Out Early Dino Evolution
The recently unearthed theropod, Tawa hallae, solidifies the link between primitive carnivores and those that evolved into modern birds

Tiny tyrannosaurs rewrite evolutionary rules
Dainty relatives of T. rex force a rethinking of the origins of this dinosaur

Jurassic Start: Fossil Pushes Tyrannosaurs' Origin Back 10 Million Years
Proceratosaurus was quite small compared with T. rex but it extends the tyrannosauroid group back to the middle Jurassic, further than any other known fossil

Mary Anning and the Birth of Paleontology
The daughter of a cabinetmaker and amateur fossil collector, Anning made her mark in the budding field of paleontology in early 19th-century England through the discovery of the first complete plesiosaur fossil