Today, rock wallabies are seen as secretive cliff-dwellers that rarely stray far from the safety of their rocky shelters. But ...

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

Tenontosaurus fossils found in West Texas, the southernmost record of the dinosaur and a key to the Early Cretaceous.

The oldest fossilized remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...

Last fall, a routine day of rockhounding on Bureau of Land Management–managed public land in southwest Wyoming turned into an ...

Fossil teeth show ancient rock wallabies at times ventured forth to find other groups, with researchers keen to know if their ...

New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier ...

Fossilized bones and teeth dating to 773,000 years ago are providing a deeper understanding of the emergence of Homo sapiens.

An unassuming rock layer in the Grand Canyon just exposed a fossil secret that changes everything we thought we knew.

A day at the beach usually means sandcastles, splashing in the sea, and hunting for the prettiest shells. But for ...

After studying rocks more than 541 million years old, MIT scientists have found new evidence that some of Earth’s first ...