It may look innocuous now, but the little stone may have killed someone 700 years ago.
Prevalence of the dinosaur's skin in fossil record may have more to do with texture, toughness than population density or habitat.
Newly discovered dinosaur fossils, plus a new assessment of dino size, have led to a revised list of the top 10 largest dinosaurs that ever lived.
A teeny-tiny skull from a bizarre 11-million-year-old worm lizard hints at the evolution of these strange creatures.
A fossilized tooth dredged from the bottom of the English Channel near Dorset, England, belonged to a formidable Jurassic marine predator and is the largest known tooth of its kind found in the U.K.
The fastest nano-sized motor and the fastest electric motorcycle round out this week's technology.
The bones of seven huge dinosaurs that each weighed more than a dozen elephants and had femurs bigger than a human adult have been discovered in Argentina.
The world’s oldest known fossilized sperm tells a bizarre tale of life 17 million years ago.
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