Not cute and endearing like present-day sloths in South America, these sloths were one of the strangest animals of the ice age. They weighed as much, or more, than the short-faced bear at 1 tonne ...

The Pittsburgh Zoo & Aquarium in Highland Park is welcoming some new — well, actually really, really old — animals. More than ...

In Ice Bridge we wanted to bring this ancient Ice Age world alive by digitally recreating some of the incredible animals that roamed North America during the time. First, we had to decide which ...