About 131 million years ago, an 11-foot-long ichthyosaur slammed snout first into the seafloor and was rapidly buried by ...

A few centuries ago, a pair of bison in northwestern Minnesota took their last breaths in a peat bog. Their remains are now at the center of an exhibit marrying ...

Ancient DNA extracted from a sediment core from a high-altitude Pyrenean lake in Spain reveals that fish may have been added ...