The federal government announced Thursday it will impose strict new guidelines limiting the use of chimpanzees in medical research it funds, and will phase out current studies that don't comply. The ...

All of the former research chimpanzees that had been living on an Air Force base in New Mexico have finally arrived at a sanctuary in Louisiana.... Al and Kamaka, two old friends who are both in their ...

Al and Kamaka, two old friends who are both in their 50s, are experiencing a whole new world. Part of what's novel: females. "Right off the bat, they were just enamored with the ladies in the group," ...