The SciencesFebruary 19, 2010
Water-dwelling dinosaur breaks the mould
Spinosaurs' semi-aquatic habits helped them coexist with tyrannosaurs.
Dinosaurs
EvolutionFebruary 4, 2010
Prehistoric patterns: A dinosaur gets color from head to feathery tail
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EvolutionJanuary 28, 2010
New large-clawed Jurassic dinosaur sheds light on elusive lineage
January 27, 2010
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
EvolutionJanuary 14, 2010
Breathtaking: Alligators breathe like birds, underscoring an ancient link--and possibly a survival strategy
EnvironmentJanuary 13, 2010
Paleontologist Peter Ward's "Medea hypothesis": Life is out to get you
EvolutionJanuary 1, 2010
How Asteroids Built the Continents
Did asteroid strikes during the earth's youth spawn the earliest fragments of today's landmasses?
TechnologyJanuary 1, 2010
Readers Respond on the "Origin of Computing"
Letters to the editor from the September 2009 issue of Scientific American
EvolutionDecember 21, 2009
Bird-like dinosaur used venom to subdue prey
EvolutionDecember 10, 2009
Italy science council funds creationist book
December 10, 2009
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
EvolutionDecember 1, 2009
Tiny tyrannosaurs rewrite evolutionary rules
Dainty relatives of T. rex force a rethinking of the origins of this dinosaur