The ancestors of both mammals and birds became warm-blooded at the same time, some 250 million years ago, in the time of the end-Permian mass extinction,...
An international team of geologists has found the first direct evidence that volcanic eruptions in the southern part of the Siberian Traps region 252 million...
An international team of paleontologists from China and the United States has found high levels of mercury in the end-Permian marine sediments at nearly...
Some 250 million years ago (early Triassic epoch), an early relative of dinosaurs and crocodiles lived in what is now a frozen continent, Antarctica, according...
Some 252 million years ago, intense volcanic activity belched massive volumes of greenhouse gasses into the atmosphere and triggered rapid changes to the...
A new species of ichthyosauriform marine reptile that lived about 248 million years ago (Early Triassic) has been identified from fossils found in Anhui...
Nearly two years ago, an international team of paleontologists discovered a bizarre fossil — Atopodentatus unicus, a 10 feet (3 m) long marine reptile...
Newly discovered fossils from 10 million years after the end-Permian mass extinction reveal a lineage of animals thought to have led to dinosaurs in what...
For the first time, Canadian researchers have suggested that the Earth’s most severe mass extinction was caused by an influx of mercury into the eco-system.
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