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Plants & Animals Aug 6, 2025

Lake sturgeon thriving in Coosa River after reintroduction project

Lake sturgeon were once abundant in Georgia's Coosa River before disappearing altogether. Now, an initiative to bring them back is showing major progress, according to a new study from the University of Georgia.

Paleontology & Fossils Aug 6, 2025

Oddity from Alabama creek is tooth of dinosaur that reached 30 feet, experts say

A "shiny" fossil found in an Alabama creek has been identified as the tooth of a large dinosaur that doesn't quite belong at the site, experts say.

Earth Sciences Aug 5, 2025

Dinosaur teeth serve as 'climate time capsules,' unlocking secrets of Earth's ancient greenhouse climate

A previously unexploited source of information is now throwing new light on Earth's climate during the age of dinosaurs. Fossilized dinosaur teeth show that concentrations of carbon dioxide in the atmosphere during the Mesozoic ...

Ecology Aug 5, 2025

An ancient predator's bone-crunching diet shift offers clues on surviving climate change

About 56 million years ago, when Earth experienced a dramatic rise in global temperatures, one meat-eating mammal responded in a surprising way: It started eating more bones.

Evolution Aug 4, 2025

Gigantic, meat-eating dinosaurs didn't all have strong bites, analysis shows

A new analysis of the bite strength of 18 species of carnivorous dinosaurs shows that while the Tyrannosaurus rex skull was optimized for quick, strong bites like a crocodile, other giant, predatory dinosaurs that walked ...

Paleontology & Fossils Aug 4, 2025

Velociraptorine fossil with unusually strong hands suggests a new predatory niche

An international group of paleontologists led by the University of Poitiers, France, report that a recently recovered velociraptorine fossil, Shri rapax, brandished unusually large, powerful clawed hands. Findings point to ...

Paleontology & Fossils Aug 4, 2025

New long-necked marine reptile species discovered in Germany's famous Jurassic fossil beds

Paleontologists have identified a new species of ancient marine reptile from Germany's world-renowned Posidonia Shale fossil beds, expanding our understanding of prehistoric ocean ecosystems that existed nearly 183 million ...

Evolution Jul 28, 2025

Study revises 'living fossil' fish anatomy, reshaping view of vertebrate skull evolution

The coelacanth is known as a "living fossil" because its anatomy has changed little in the last 65 million years. Despite being one of the most studied fish in history, it continues to reveal new information that could transform ...

Paleontology & Fossils Jul 24, 2025

Clues for dinosaurs' diets found in the chemistry of their fossil teeth

You are what you eat, it turns out—even if your last meal was 150 million years ago.

Ecology Jul 23, 2025

Dinosaur tracks reveal first evidence of mixed-species herding behavior

Footprints of a multispecies herd of dinosaurs discovered in Canada demonstrate the social interaction between different dinosaur species 76 million years ago, according to findings in a new study published in the journal ...

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