Four billion years ago, Earth was violent, hot, and unstable. Yet new research suggests that by then, life had already ...

Genetic ancestry is a concept that has long captured people’s imaginations. It’s no surprise that it’s been turned into a ...

In the dim waters off the Japanese coast, scientists have stumbled upon something that shouldn’t exist. Or at least not by the rules we thought biology followed. It’s a single-celled organism with ...

T-REX was created in response to requests to be able to easily link phylogenetic and phenotypic information together and yield insights from this. This package consists of a GUI-enabled phylogenetic ...

The story of primates is a tale of incredible variety and ancient roots, told through the lens of science, DNA, and time itself. These creatures, ranging from massive gorillas to tiny mouse lemurs, ...

The mammalian order of Primates comprises 172 species of Old World apes and monkeys (Catarrhini), 146 New World monkeys (Platyrrhini), and 144 lemurs, lorises, and galagos (Strepsirrhini). Primates ...

ABSTRACT: Piptoporellus baudonii, previously known as Laetiporus baudonii, is an African species that was considered to be a sister species to Laetiporus sulphureus, another European species known for ...

A clade, derived from ancient Greek, is a group of organisms that are derived from a common ancestor and its lineal descendants. A clade is also subtypes, genotypes, or groups that all arise from a ...

About 50 species of birds on Earth today do not belong to the same group as the other 10,000 currently in existence. Known as the paleognaths, this small group features many of the largest and ...

Assembling a phylogenetic tree of ribonucleotide reductases sheds light on how these enzymes adapted to increasing levels of oxygen in the atmosphere billions of years ago. Open annotations (there are ...