Authorities revealed Friday that actor Gene Hackman died of heart disease, with severe Alzheimer’s disease as a contributing ...

[Hendra virus] was first detected in Australia in 1994 and has a case-fatality rate of around 60%. [Nipah virus] has caused ...

Though they resemble mice, shrews are actually not rodents. They average three to four inches long with gray-brown fur, small black eyes, a long snout, sharp teeth, and a hairless tail at least as ...