Tag Archives: Ancient

Ancient rhinos roamed the Yukon

Paleontologists have used modern tools to identify the origins of a few fragments of teeth found more than four decades ago by a schoolteacher in the Yukon. Paleontology News — ScienceDaily

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Mutated ferns shed light on ancient mass extinction

At the end of the Triassic around 201 million years ago, three out of four species on Earth disappeared. Up until now, scientists believed the cause of the catastrophe to be the onset of large-scale volcanism resulting in abrupt climate … Continue reading

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What did ancient crocodiles eat? Study says as much as a snout can grab

To study the diet of ancient crocodiles, two researchers combined mathematical analyses of the animals’ shapes, surveys of modern crocodiles’ diet, modeling methods for reconstructing the diet of fossil groups, and forensic-style interpretations of damaged bones from the distant past. … Continue reading

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Dust from a giant asteroid crash caused an ancient ice age

About 466 million years ago, long before the age of the dinosaurs, the Earth froze. The seas began to ice over at the Earth’s poles, and new species evolved with the new temperatures. The cause of this ice age was … Continue reading

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Study of ancient climate suggests future warming could accelerate

The rate at which the planet warms in response to the ongoing buildup of heat-trapping carbon dioxide gas could increase in the future, according to new simulations of a comparable warm period more than 50 million years ago. Paleontology News … Continue reading

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Ancient Australia was home to strange marsupial giants, some weighing over 1,000 kg

Palorchestid marsupials, an extinct group of Australian megafauna, had strange bodies and lifestyles unlike any living species. Paleontology News — ScienceDaily

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Long before other fish, ancient sharks found an alternative way to feed

Researchers have used tools developed to explore 3D movements and mechanics of modern-day fish jaws to analyze a fossil fish for the first time. Paleontology News — ScienceDaily

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Ancient animal species: Fossils dating back 550 million years among first animal trails

A geoscientist calls the unearthed fossils, including the bodies and trails left by an ancient animal species, the most convincing sign of ancient animal mobility, dating back about 550 million years. Paleontology News — ScienceDaily

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Ancient die-off greater than the dinosaur extinction

When significant oxygen entered the atmosphere, ancient life multiplied. But after a few hundred million years, Earth’s oxygen plummeted, resulting in a die-off likely greater than the extinction of the dinosaurs. Paleontology News — ScienceDaily

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Fungi living in cattail roots could improve our picture of ancient ecoystems

Some fossil plants that lived in wetlands had fungi living in their roots, and others don’t. To understand why, scientists waded into modern wetlands and yanked up cattails to study the fungi living in their roots. They learned that cattail … Continue reading

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