Discover Uncus dzaugisi, a 555-million-year-old worm-like fossil, offering the first Precambrian evidence of Ecdysozoa ...

The oldest insect fossil—a mandible (or jaw) found in Scotland—is between 408 and 438 million years old. The oldest winged fossil dates back 330 million years ago, suggesting that insects were ...

the earliest animals in this lineage have long been missing from the fossil record. But the discovery of a newly identified gorgonopsian — the oldest saber-toothed animal ever found — is ...

The fossil, from the species Megachirella wachtleri, was first found in 2003 in Italy's Dolomites ... one of the most important lizard fossils ever studied. After dating the fossil, researchers ...

Fossils of the oldest-known ancestors of most living mammals ... One, a possible burrower, dined on insects, while the larger may have eaten plants as well. Their teeth were highly advanced ...

NEW YORK (AP) — Scientists have discovered the oldest-known fossil of a giant tadpole that wriggled around over 160 million years ago. The new fossil, found in Argentina, surpasses the previous ...

The discovery pushes back the evolution of advanced pterosaurs and also supports a surprising new setting for their evolution.

NEW YORK (AP) — Scientists have discovered the oldest-known fossil of a giant tadpole that wriggled around over 160 million years ago. The new fossil, found in Argentina, surpasses the previous ...

Called gorgonopsians, the earliest animals in this lineage have long been missing from the fossil record. But the discovery of a newly identified gorgonopsian — the oldest saber-toothed animal ever ...