Humans domesticated horses some 6,000 years ago, and over time, we have created more than 200 breeds, from the powerful Clydesdale to the graceful Arabian. As we have shaped horses ... Read More
The modern domesticated horse (Equus caballus) is today spread throughout the world and among the most diverse creatures on the planet. In North America, the horse was part of the ... Read More
While climate change dominates headlines in the modern era, it loomed large in the lives of the many species that inhabited the Americas thousands of years before mankind began belching ... Read More
The Clydesdale-sized Hippidion possessed a highly distinctive, long, domed nasal bone. Because of this unusual feature, some scientists speculate that Hippidion had an elongated, flexible snout. Look at the skull ... Read More
The evolutionary lineage of the horse is among the best-documented in all paleontology. The history of the horse family, Equidae, began during the Eocene Epoch, which lasted from about 55.8 ... Read More
The ancestry of the horse family is obscure; small, multiple-toed, primitive representatives, known as Hyracotherium (or Eohippus) appeared simultaneously in Europe and America near the beginning of the Cenozoic era ... Read More
Apart from a couple of bothersome side branches, horse evolution presents a neat, orderly picture of natural selection in action. The basic story line goes like this: as the woodlands ... Read More
This small dog-sized animal is the oldest found horse ancestor that lived about 55 million years ago. It had a primitive short face, with eye sockets in the middle ... Read More
Imagine a world in which horses of all colors, shapes, and sizes roamed the world, some barely larger than a small dog. That world no longer exists--but once it was ... Read More