Wildlife officials in the U.S. and Canada report cases of chronic wasting diseases where it hasn't been detected before.

Recent research led by the University of Alberta challenges the belief that mad cow disease is caused only by misfolded proteins—a discovery that sheds new light on the devastating outbreak in the ...

The cow’s amazing ability to sustain itself by eating nothing but grass is one of the marvels of nature, but it comes at a cost. As grass ferments in the rumen — one of four compartments in the animal ...

Despite the panic that sent shockwaves through meat markets as far away as South Korea, the latest finding of mad cow disease announced Tuesday does not appear to pose a risk to the public. It is, ...