Everything has its pecking order, and geology is no exception. The cocks of the rocks are the big, swaggering periods of the past that fill books, television programmes and natural-history museums.

Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's evolutionary history, numerous mass extinctions have occurred, with five major mass extinctions being particularly ...

The Triassic is one of the most important periods in the evolution of life on Earth. After one of the greatest mass extinctions 252 million years ago, not only the dinosaurs but also many other groups ...

The end-Triassic extinction, which happened 201 million years ago, was Earth’s third most severe extinction event since the dawn of animal life. Like today, CO 2 rise and global warming were present, ...

When Brooks Britt, a geological sciences professor at BYU, searched through the latest Triassic sandstone samples in his lab, he expected to find bones of early crocodiles and dinosaurs. Instead, he ...

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 were wiped ...

Jurassic, Pleistocene, Precambrian. The named times in Earth's history might inspire mental images of dinosaurs, trilobites or other enigmatic animals unlike anything in our modern world. Labels like ...

Jurassic, Pleistocene, Precambrian. The named times in Earth’s history might inspire mental images of dinosaurs, trilobites or other enigmatic animals unlike anything in our modern world. Labels like ...