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 ...

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

The Triassic Period was a time of great change. Bookended by extinctions, this era saw huge shifts in the diversity and dominance of life on Earth, ushering in the appearance of many well-known groups ...

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 ...

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 ...

They found a pattern with the same characteristics on a fossil unearthed in Utah from a stratum dating back to the early Triassic Period (250 million years ago). Sea lilies are sometimes called ...

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 ...