A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

During the Triassic Period, when dinosaurs first evolved ... The impact also threw huge amounts of dust and debris into the atmosphere, blocking sunlight for years. With less sunlight, temperatures ...

That distinction belongs to the Permian-Triassic extinction or the Great Dying. During this dramatic period of climate ... reductions in oxygen in the atmosphere, mega El Niños, acid rain ...

Huge volcanoes erupted, releasing 100,000 billion metric tons of carbon dioxide into the atmosphere ... while the first period of the Triassic—the Induan—had a disturbed climate which the ...

However, the opposing camp argues that these catastrophic effects were limited by latitude and atmospheric circulation ... extinction rate during the same period. This conclusion was based ...

During the Triassic Period, when dinosaurs first evolved ... The impact also threw huge amounts of dust and debris into the ...

Fossils from China’s Turpan-Hami Basin reveal it was a rare land refuge during the end-Permian extinction, with fast ...

Conditions during the Early Triassic were harsh. Repeated volcanic activity triggered long periods of global warming, aridification, reductions in atmospheric oxygen ... of their fossils from ...