Two incredibly rare fossils ... Small mammals living today have much shorter lifespans, some surviving for as little as 12 months, and maturing quickly, losing their baby teeth and weaning within ...

A saber-toothed predator from over 270 million years ago has been unearthed on Mallorca. The fossil represents the oldest-known mammal ancestor, challenging prior assumptions about their origins.

Although they laid eggs like reptiles, they were warm-blooded, which links them closer to mammals. Their bodies, about 3.3 feet (1 meter) long, resembled a dog without ears or fur, but with saber-like ...

Dec. 17, 2024 — Scientists have discovered the oldest known animal with saber teeth: a predator that lived 270 million years ago. This animal, from before the age of the dinosaurs, was a dog ...

Sabre-toothed predators -- best know from the infamous Smilodon -- evolved multiple times across different mammal groups. A new study reveals why: these teeth were 'functionally optimal' and ...

Archaeologists have unearthed the smallest known cat fossil at a site inhabited by archaic humans in eastern China. This diminutive feline, which has been identified as an extinct species of leopard ...

1 Programa de Pós-Graduação em Ecologia, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil 2 Departamento de Biologia Animal, Instituto de Biologia, Universidade ...

While climate definitely played an important role in their local extinction, the team thinks that the abrupt disappearance of Ice Age megafauna and fires started by humans may have also contributed, ...

The fossil shows an inclined first molar, which provides evidence from the jawbone and teeth that supports the ... "Discovering animal fossils at the Hualongdong site can help shed light on ...