"While they might not be the first birds of prey to ever evolve, their fossils are the earliest known examples of predatory birds." The three fossils Clark studied in this paper had been collected ...

Scientists have unveiled a giant horned dinosaur from Egypt called Tameryraptor markgrafi after discovering lost photos of ...

They show an organism was there, but are not the actual organism itself (which would be a body fossil). Dinosaur footprints and worm burrows are examples of trace fossils, as are coprolites ...

Around 45 million years ago, a 4.6 foot-tall (1.40 meters) flightless bird called Diatryma roamed the Geiseltal region in ...

it is a classic example of a transitional form, one that bridges the evolutionary gap between two quite different types of animal. In this slide show, see this and four other well-known fossil ...

In the famous Burgess Shale in Canada, for example, scientists have found dozens of bizarre, previously unknown animals. Interpretation of fossils poses another set of challenges, and their age ...

A study led by researchers at the American Museum of Natural History presents the oldest known example in the fossil record of an evolutionary arms race. These 517-million-year-old predator-prey ...

Around 45 million years ago, a 4.6 feet-tall (1.40 meters) flightless bird called Diatryma roamed the Geiseltal region in southern Saxony-Anhalt. An international team of researchers report on the ...

Ammonite fossils, an example is shown here, are sea creatures that became extinct about 65 million years ago. Fossil remains have been found in rocks of all ages. Fossils of the simplest organisms ...

Ammonite fossils, an example is shown here, are sea creatures that became extinct about 65 million years ago. Fossil remains have been found in rocks of all ages. Fossils of the simplest organisms ...