As a period of geologic time, the boundaries of the Triassic are defined on the ... As you might expect, this change in global climate killed off a huge number of species and decimated the ...

3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a bout of violent volcanic eruptions, climate change, or perhaps a fatal run ...

Rocks of that age contain traces of an asteroid that struck Earth, generating catastrophic events from global wildfires to climate change. But the Permian ... on a geologic scale of time.

The Triassic period was a unique episode in Earth’s ecological history, and it began on Pangaea. During this time, the climate ranged ... In the Permian period before, the largest mass ...