Indeed, the earliest mammal we are currently aware of is the Brasilodon quadrangularis – a diminutive critter described as ...

Published in Science Advances, the study found that many species do not stick to a single daily rhythm, contradicting decades of scientific assumptions. These findings reveal the flexibility of ...

In its 4.5 billion year history, Earth has undergone five mass extinctions and we are potentially in a sixth era of mass death. Today’s crocodylians are the surviving members of a lineage called ...

Primates are a group of mammals that includes humans and our close relatives, such as apes, monkeys and lemurs. Monkeys, such as capuchins and macaques; prosimians, like lemurs and tarsiers; lesser ...

During the early Paleocene, about 66 to 56 million years ago, a species of small mammal known as Mixodectes pungens […] ...

The largest dinosaurs – known as titanosaurs – measured up to 38 meters in length, eight meters in height, and weighing just ...