The specimen, approximately 560 million years old, contains fibrous bundles that appear to be muscle tissue, an important evolutionary adaptation.
Half-ton boulder with fossilized remains is hauled up to street level by elbow grease, ingenuity, and a ropes-and-pulleys system.
One of the first predators of its day, the creature sported compound eyes, body armor and two spiky claws for grabbing prey.
Sharks might be able to cope with climate change's effects upon the Arctic, a study of fossil shark teeth has found. Continue reading →
'World-class' track site in Denali National Park shows that herds of duck-billed dinosaurs thrived under the midnight sun.
More than a million years ago, hippopotamuses paddled across a shallow pool in the region that's now northern Kenya, occasionally scraping their feet on the sandy bottom.
Exploiting the middle ground as a strategy may have helped dinosaurs rule the Earth for more than 100 million years.
Think modern crocodiles are terrifying? How about a 16-foot-long, nearly half a ton sort-of-crocodile that was so tough is even outlasted the mass extinction of 60 million years ago. Laci has more details on this beast from the land of the lost.
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