The researchers analyzed rare fossils of hatchling birds found in northern Alaska, which offered the earliest evidence of the ...

For over a century, scientists have wrestled with one of biology’s most fundamental mysteries: how the first animals evolved.

The Chicago Archaeopteryx provides rare 3D insights into skull evolution, soft tissue structure, and the first evidence of ...

Fossil tracks from Australia reveal reptiles appeared 40 million years earlier than thought. The origin of reptiles on Earth may be up to 40 million years earlier than previously believed, based on ...

Paleontologists assumed just one dinosaur egg type lay buried in Utah's Cedar Mountain Formation. Then they hit the jackpot.

The fossils of ancient salamander-like creatures in Scotland are among the most well-preserved examples of early stem tetrapods -- some of the first animals to make the transition from water to land.

In fossils, the structures provide telltale signs of early sponges, but keratosan sponges lack these rigid skeletons. Instead, they get their squishy structure from networks of the protein spongin ...

Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.” So goes the famous dictum of Sherlock Holmes, echoed by paleobotanist C. Kevin Boyce in summarizing ...

Animal life, emerging nearly 600 million years ago, showcases incredible diversity and unique traits. Unlike plants, animals ...

Fossilized footprints of a primitive reptile found on a slab of rock from Australia could rewrite the story of how animals ...

This might be the closest thing to a true Atlantis, a giant plane once occupied by humans now lost beneath the oceans.

Amateur fossil hunters discovered a trackway left by a creature that might have looked like the one in this illustration. The finding raises new questions about the evolution of the earliest reptiles.