A case of mad cow disease was discovered yesterday in California, sending carnivores across the country into a panic. But mad cow is exceedingly rare in the U.S. and not likely to be contracted by ...

A groundbreaking idea from a University of Alberta scientist could finally crack the code behind one of the most stubborn ...

Read CNN’s Fast Facts on Mad Cow Disease and learn more about the transmissible fatal brain disease found in cattle.

“Mad cow” disease is one of a small family of diseases that are like no others. The vast majority of infectious illnesses are caused by a virus or bacteria -- living organisms, or in the case ...

A Missouri company has recalled 4,000 pounds of beef in a mad cow disease scare. Ground beef is seen on a production line in Saint-Dizier, eastern France in 2011. Francois Nascimbeni, AFP/Getty ...

USDA-mandated testing turned up a downed California dairy cow that was infected with bovine spongiform encephalopathy (BSE), also known as mad cow disease, the agency announced Tuesday.

He noted that the results provide, for the first time, and "experimentally underpinned explanation" for the appearance of mad cow disease in the U.K. in the 1980s.

Theileria can cause cows to abort their fetuses. It can also cause anemia so severe that a cow will die. In Australia, where the disease has been spreading since 2012 and now affects a quarter of ...