Dinosaurs ruled the Earth for over 150 million years. Compared to the mere 4–6 million years that scientists believe humans ...

The Triassic in south-west Germany The Triassic covers the period from 252 to 201 million years ago. The area of present-day ...

The NASA satellite image shows rust-red rock formations in Wyoming—evidence of 220-million-year-old 'megamonsoons'.

It probably spent most, if not all, of its life in the water eating… anything unfortunate enough to venture too far into the ...

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 ...

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 ...

The discovery of nearly 20 alligator-size amphibians that died together during the Triassic in what is now Wyoming is providing scientists important clues about these creatures' lives.

Paleontologists found a group of four-legged Triassic creatures preserved in the same bone bed—but they don’t know what killed the animals ...

A 240-million-year-old Dinocephalosaurus orientalis fossil, unearthed in Southern China, has captivated scientists with its ...