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

It’s not just animal and plant remains that can be fossilised. Things like footprints, burrows, eggs and even poo (called coprolite) can be fossilised too. A fossil is the preserved remains or ...

Dinosaurs stimulate our imagination, exhibit curators and visitors at the American Museum of Natural History told USA TODAY ...

The fossil is of a small, worm-like creature named Uncus dzaugisi. The discovery fills a significant gap in the understanding of early animal evolution. “Scientists have hypothesized for decades ...

Spiders, crabs, and other arthropods evolved from a group of animals that underwent a burst of diversity around 500 million ...