Chapter contents: Systematics — 1. Taxonomy — 2. Phylogenetics —— 2.1 Reading trees ← —— 2.2 Building trees —— 2.3 Character mapping —— 2.4 Phylogenetic trees and classificationParts of a tree A phylo...

Punctuated equilibria remains the dominant pattern of morphospecies origin in the fossil record: an analysis using the “persistence of ancestor” criterion

The Pacific island nation of Tuvalu could be submerged in 25 years due to rising sea levels, so a plan is being implemented to relocate its population to Australia.

The state of Utah might not re-file a controversial lawsuit demanding the federal government hand over control of millions of acres of public lands.

The forelimbs of two Late Cretaceous theropod dinosaurs show the presence of the pisiform bone, previously thought to have been lost early in theropod evolution and regained in birds during the evolut...

A brief global warming event known as the Pre-Onset Excursion (POE) occurred just before the Paleocene–Eocene Thermal Maximum (PETM, 56 Mya). The d...

Follow a gang of armored dinosaurs battle to reach adulthood, pursued by ferocious raptors

“Since when has it been a conservative, Utah value that government has the power to tell individuals or private corporations what they may or may not say on social media?” writes The Salt Lake Tribune editorial board.

YouTube video by BBC Earth

Excavating fossils at the St George Dinosaur Discovery Site

The finalists are down to three, The Outlaws, The Utah Hockey Club, and the Mammoth but the big question remains: what will the name be?