The Triassic period stands out in Earth’s history as ... These gases continually warmed the atmosphere, while bursts of ash from the eruptions shut out the sun’s light. As you might expect ...

Learn about the time period that took place 251 to 199 million years ago. 3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a ...

Earth’s continents are constantly shifting. About 252 to 199 million years ago, all the continents were actually one huge “supercontinent” surrounded by one enormous ocean. Slowly, this ...

Over the course of around 600,000 years, millions of cubic miles of lava spewed into the atmosphere. It marked the end of the ...

Paleontologists have known something strange happened between the end of the Triassic Period and the beginning ... methane and other gases spewed into the atmosphere caused oceans to become ...