The Roman Empire was so crippled by the Antonine Plague that many scholars believe it hastened the empire's demise.

Sled fragments, arrows, horseshoes, and even animal dung are among the objects archaeologists have found on the Lendbreen ice patch.

The zoo said its 12-foot polar bear Vitus would be the last to go.

The zonkey is in perfect health and protected by anti-poaching laws. Nonetheless, this type of cross-breeding has consequences.

Fossilized evidence of a now-extinct primate species suggests prehistoric monkeys traveled more than 900 miles on natural rafts.

Go inside the wild world of Bhagavan "Doc" Antle, the animal conservationist who has been accused of exploiting his all-female staff and executing tigers at his Myrtle Beach Safari.

Built in 1809 after a grisly defeat by the Turks, the Skull Tower originally boasted 952 skulls from the decapitated heads of Serbian rebels.

"It's incredible that in more than 250 million years of reptile evolution, the way the skull develops in the egg remains more or less the same. Goes to show — you don't mess with a good thing."

"The surgical operation is the most complex I have ever seen in my 40 years of working with anthropological materials."

Forest fires in Chernobyl's exclusion zone are not uncommon, but this huge blaze has experts concerned over rising radiation levels.

About 30 years ago, Canadian farmers released hogs into the wild as the meat market slowed. These pigs have since grown gigantic and are ravaging farmland across the continent.