Creutzfeldt-Jakob disease is an extremely rare and fatal brain-wasting disease that's like a human version of "mad cow." Comments ( 0 ) ( ) When you purchase through links on our site, we may earn ...

Five families of orcas joined forces to hunt down and feed on a blue whale, the largest creature on the planet, in what was an extremely rare sighting off Australia. More than 60 orcas worked ...

The sighting of an extremely rare animal wasn't a hard nut to crack. A resident of Sioux Falls, South Dakota, recently spotted an albino squirrel hanging out in a tree near the Prairie Green Golf ...