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fossil

Underwater archaeology reveals pre-Clovis people butchered mastodon in Florida

Evidence has been mounting for cultures older than the Clovis people, with archaeological sites and artifacts older than 14,000 years found as far south as Chile and genetic evidence dating the first incursions into North America to about 15,000 years ago. Now, a new study reporting on an underwater archaeological excavation at a site in Florida that dates to 14,550 years ago is adding more evidence of pre-Clovis people, and shedding light on how they may have spread across the Americas.

13 May 2016

Benchmarks: May 12, 1905: Andrew Carnegie donates 'Dippy the Dino'

As one of the world’s wealthiest philanthropists, Andrew Carnegie had come to expect that people would praise and honor him, but May 12, 1905, would be an unusual day for the Pittsburgh steel magnate. Never before had he been honored for donating a dinosaur. Carnegie’s contribution of a massive plaster model of a Diplodocus — at the time the largest-known animal to have ever trod the planet — to London’s Natural History Museum was part of the Scotsman’s dream to rid the world of war, which he called “the foulest blot upon our civilization.”

12 May 2016

Travels in Geology: Discovering Denver's dinosaurs

A rich paleontological legacy makes Denver, Colo., one of the best places in the world to learn about dinosaurs, with numerous fossils and trackways at sites nearby.

04 May 2016

Turtle finds lower Altiplano elevation estimate

Rare turtle fossils uncovered in Bolivia suggest that, about 13 million years ago, the southern portion of South America’s Altiplano — the arid, high-elevation plateau immediately west of the Andes — was far lower than previously thought.

29 Apr 2016

Fossil leaves provide clues to ancient Australian habitat

Researchers have long thought that the scrublands of Australia developed over the last 25 million to 30 million years as part of a global trend toward colder and drier climates in which rainforests yielded ground to more open, fire-prone environments.

20 Apr 2016

China's Red Deer Cave people may have survived until the last ice age

In the 1980s, a collection of bones from very small hominids was excavated from a cave in southwestern China, alongside a number of bones from a species of large red deer. Nicknamed the “Red Deer Cave people,” but not yet declared a distinct species, researchers previously dated radiocarbon in the sediments where the bones were found to about 14,000 years ago. In a new comparative study, the same team has now found that the hominids from which the bones came appear to have been similar to — although far smaller than — Homo habilis and Homo erectus, suggesting it could indeed be a new species.

19 Apr 2016

Making tracks through the Dinosaur Diamond

The Dinosaur Diamond scenic byway is an 824-kilometer-long dinosaur fossil- and trackway-sightseeing extravaganza. Follow the route through Utah and Colorado to traverse the Late Triassic through the Cretaceous.

18 Apr 2016

Bat signals

Bats, the only true-flight mammals, first appeared during the Early Eocene after a period of acute global warming known as the Paleocene-Eocene Thermal Maximum. Despite decades of study, however, much remains unknown about bats. Recent discoveries are shedding new light on the natural history of these creatures, which today comprise one of the most diverse mammalian groups.

07 Apr 2016

Inside an icthyosaur's brain

While the dinosaurs were busy ruling the continents in the Mesozoic, an order of marine reptiles known as the ichthyosaurs ruled the oceans. Ichthyosaurs are well known from numerous fossils, but they are often found flattened, limiting researchers’ ability to study the skulls and braincases as they existed in life.

01 Apr 2016

Parasites of the Paleozoic

Parasitism — an ecological relationship in which one species benefits at the expense of its host — is common among living organisms, but as most parasites are soft-bodied, it’s rare to find them preserved in the fossil record. Two recent discoveries, however, have lengthened the short list of ancient parasites

03 Mar 2016

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