For months I'd been on the trail of the greatest natural disaster in Earth's history. About 250 million years ago, at the end of the Permian period, something killed some 90 percent of the planet ...

The Triassic Period was a time ... event devastated life. The Permian-Triassic extinction event, also known as the Great Dying, took place roughly 252 million years ago and was one of the most ...

A new study reveals how ancient plant ecosystems recovered from the End-Permian mass extinction, Earth’s most catastrophic ...

The Triassic period stands out in Earth’s history ... Permian period and the start of the Triassic, it was such a serious catastrophe that it is used as the marker of the end of a geologic era ...

The fossils, found at altitudes exceeding 9,800 feet, date back to the Permian period, a time of significant environmental change on Earth. During this era ... planet's dynamic history and ...

3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history ... and sea urchins that survived the Permian extinction and were quickly diversifying.