Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a ...

Some of these giant vegetarians were as tall as a 3-story building. Microscopic analysis of their teeth, bones and eggshells ...

Minnesota has many habitats that are teeming with animals, some of which are impressively big. Here are the largest.

When people imagine the king cobra, they usually think of its hooded neck, its upright stance, and its potential to kill with ...

Otters are among the most adaptable mammals alive, thriving everywhere from icy coasts to steamy rainforests. This list reveals the eight largest species, from the massive giant otter of South America ...