Macs are generally more secure than PCs, but they're no longer impenetrable fortresses. If you have a Mac, it can still be ...

New research shows how small shifts in the molecular makeup of a virus can profoundly alter its fate. These shifts could turn ...

Antivirus apps protect your PC's personal information, data, bank accounts, and much more. We've tested more than two dozen utilities to help you choose the best antivirus for your needs.

A rare virus that killed actor Gene Hackman's wife in February has been linked to the deaths of three people in California.

Hantaviruses can cause serious illnesses affecting the lungs and death. Rodents pass the virus through their droppings, urine and saliva.

According to Colorado officials, 11 cats recently tested positive for the virus. All died, except for one. The single feline is a hairless cat named Leonardo DiCaprio who lives with his family in ...