Ocean acidification caused a mass extinction of marine life 66 million years ago, research into tiny shell fossils has shown. This could have implications for the current climate crisis, which is also ...

Fossil records of the holes drilled in clam shells before and after a mass extinction two million years ago show patterns of predator-prey behavior indicating that although diversity recovered rapidly ...

Today, fossils feel almost self-explanatory. You see a tooth, a shell, or a skeleton in a museum case and instinctively treat it as evidence of ancient life, preserved over immense spans of time. That ...

Top of the encrusted surface of a brachiopod shell, showing the "war" between an edrioasteroid (star-shaped organism at center) and a fast-growing bryozoan colony. From Sprinkle and Rodgers 2010. Back ...

DENVER — Life on Earth got into the shell game more than 200 million years earlier than previously thought. Fossilized eukaryotes — complex life-forms that include animals and plants — discovered in ...