Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of ...

The humble horseshoe crab, an ancient species crawling seafloors since before the dawn of the dinosaurs, was durable enough to survive the mass extinctions of eons past. But now, hundreds of millions ...

A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades.