Molly, a 170-pound loggerhead turtle, was released back into the ocean after a surgery to remove a life-threatening tumor that was just inches away from her head. NBC News' George Solis reports on the ...

A groundbreaking collaboration between doctors and veterinarians saved a chimpanzee at Zoo Knoxville in Tennessee. When 34-year-old Mwelu “Lu” began stumbling, his keepers feared the worst. An MRI ...

KNOXVILLE, Tenn. — Zoo Knoxville said one of its chimpanzees is recovering well after he underwent historic spinal surgery to remove a tumor. The zoo said 34-year-old Mwelu has had no setbacks, and ...

A dad-of-five had a tumor the size of a kiwi removed from his brain while he was awake – and played the guitar during the operation. Paul Welsh-Dalton, 44, suffered with aphasia and headaches, and was ...

Researchers at the Texas A&M College of Veterinary Medicine and Biomedical Sciences (VMBS) have discovered that dogs with meningiomas—the most common type of brain tumor in dogs—live longer if they ...