Waiting in line may feel like one of the more primitive aspects of modern life; think of all those people lined up for the latest iPhone, concert tickets or a trendy pastry. But following the leader ...

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Thanks to their easily fossilized exoskeleton, trilobites largely dominate the fossil record of early complex animal life. However, trilobite appendages and the anatomy of the underside of their body ...

A fossil bed in the High Atlas Mountains of Morocco is allowing new insights into the anatomies of arthropods that lived a half-billion years ago. By Jack Tamisiea Jack Tamisiea has previously ...

Scientists have discovered a bizarre fossilized creature that lived 465 million years ago with the content of its gut still preserved. In a study published in the journal Nature, a team of researchers ...

Exceptionally preserved trilobite fossils from China, dating back to more than 500 million years ago, have revealed new insights into the extinct marine animal's digestive system. The new study shows ...

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A species of ancient trilobites grew big forks on their heads to fight their opponents and impress potential mates, in what scientists say could be the earliest known example of ritualized combat.

A new paper suggests an ancient creature’s odd anatomical feature may be the earliest known example of specialized sexual combat in the animal kingdom. By Asher Elbein Walliserops trifurcatus wasn’t ...