A team of paleodentists of sorts has examined fossilized horse teeth from as far as 55.5 million years ago and found a timeline of changing tooth features that matches up with the climate record.

For centuries, horsemen have been using teeth as a means to help determine a horse’s age. The baby teeth come in at certain times, are shed and replaced by permanent teeth at certain times, and then ...

Many people assume that horses first came to the Americas when Spanish explorers brought them here about 500 years ago. In fact, recent research has confirmed a European origin for horses associated ...