The footprints of a reptile-like creature appear to have been laid down around 356 million years ago, pushing back the ...

Paleontologists have discovered that a three-eyed sea moth predator lived on Earth half a billion years ago with evidence ...

The tegu, long thought to be an invasive species, turns out to have arrived in North America about 16 million years earlier ...

Originally from South America, the charismatic tegu made its way to the United States via the pet trade of the 1990s. After ...

New discoveries of fossil clawed footprints from Australia, published in Nature, push the origin of reptiles back in time by ...

Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal on a slab of sandstone ...

A microscope image shows the surface of a Kapur Paya fossil leaf. Tiny pores called stomata and the outer skin cells of the ...

Both ancient human species showed signs of simultaneously using their hands to move around – such as by climbing trees – as ...

Archaeopteryx is the fossil that clearly demonstrated Darwin's views. It's the oldest known fossil bird, and it helps show that all birds -- including the ones alive today -- emerged from dinosaurs.

Carbon dioxide may be a naturally occurring substance on Earth, but too much of its presence has contributed to global ...