The Triassic is one of the most important periods in the evolution of life on Earth. After one of the greatest mass ...

This story appears in the November 2009 issue of National Geographic magazine. In the summer of 2008 an American crocodile left Florida's Biscayne Bay, swam along a yacht-lined canal through the ...

The Triassic period stands out in Earth’s history as the time when dinosaurs first evolved. It was followed by the Jurassic and Cretaceous periods – at the end of the latter, the dinosaurs ...

New research from the State Museum of Natural History Stuttgart reconstructs Triassic terrestrial ecosystems using fossils ...

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 ...

Amniotes began to radiate in the Carboniferous into many niches previously held by amphibians, plus new niches. The initial split was into synapsids (mammals and their relatives) and sauropsids ...

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 ...