When fossil remains were found that were unlike anything living at the time, some scientists argued that they were unusual examples of living creatures, or that animals known only from fossils ...

The curious kids suspected it was a bone from a very big animal that once lived in the ... Advisor Wayne Thompson recognized it as a fossil arm bone likely belonging to an ancient sloth, museum ...

A fossil is physical evidence of a prehistoric plant or animal. This may be their preserved remains or other traces, such as marks they made in the ground while they were alive. Fossilised remains - ...

However, a close look at Cambrian-age (541 million years to 485 million years ago) fossils of Scalidophora, a subgroup of Ecdysozoa found in marine environments, has revealed the source of these ...

The discovery of two ancient fossils shows early mollusks were more complex and diverse than previously thought. Researchers ...

An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, ...

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-like creature that was ...

In a new paper in the journal Nature Communications, scientists announce the discovery of a fossil therapsid that ... than they are to any other living animals,” says Ken Angielczyk, the ...