Still, they're all part of the same species. The Science of Dogs blog put together a side-by-side comparison of several popular breeds from the 1915 book "Dogs of All Nations" by Walter Esplin ...

Most modern-day racehorses are Thoroughbreds. The name accurately describes this breed of horse: they all have been very thoroughly bred. The first Thoroughbred to reach America, a stallion named ...

The European catfish is the largest freshwater fish in Europe, reaching up to 2.8 meters in length and 130 kg in weight. It was first detected in Portugal in 2014. As a top predator, it has no natural ...

Another day, another new mate for Ares the peregrine falcon. This time, however, it looks like the newest one is here to stay ...

An curved arrow pointing right. The Science of Dogs blog compared popular dog breeds from the 1915 book "Dogs of All Nations" to their current day counterparts. Produced by Emmanuel Ocbazghi ...