Vaguely dog-like” animal is one of the oldest-known close cousins of modern mammals. Researchers have discovered the oldest ...

The prehistoric creature is thought to have lived around 280-270 million years ago and was likely a "top predator" in its day ...

Archaeologists have discovered the fossil of the oldest saber-toothed animal dating back to the time before dinosaurs walked ...

However, there were also other incredible prehistoric animals ... This was about the same time that the earliest dinosaurs first showed up. Early mammals were small, about the size of rats ...

Paleontology, the study of prehistoric organisms, relies almost entirely on the fossilized remains of extinct plants and ...

From the realization that paleontologists still haven’t found the biggest dinosaurs to the unearthing of a small burrowing ...

Paleontology, the study of prehistoric organisms ... which would eventually lead to mammals) and large predatory reptiles. Over the next 30 million years, dinosaurs pushed those other groups ...

A New York homeowner recently made a remarkable discovery in their backyard. The teeth from a complete mastodon jaw were peaking out of the soil. At such a critical moment in US history, we need ...

(CN) — Millions of years ago ancient reptiles, amphibians and mammals placidly occupied the top of Earth’s ecosystem until omnivorous dinosaurs usurped them. According to new research, the key to ...

Studying bromalites helped paleontologists piece together how the reptiles came to rule a part of the prehistoric world. Coprolites of herbivorous dinosaurs ... beefy mammal ancestors that could ...

Credit: Anthony Hutchings The discovery of sets of prehistoric teeth has revealed that groups of meat-eating dinosaurs stalked the East Sussex coast 135 million years ago. The research ...