All chimps managed by the National Institutes of Health that are currently eligible to go to a sanctuary have been moved there, but animal welfare advocates say more should be allowed to go.
Duke anthropologist Brian Hare argues that humans evolved in a way that left us more cooperative and friendlier than our now extinct human cousins, like Neanderthals and Denisovans.
The animals returned to their enclosure at the Belfast Zoo after a short time, but not before alarmed visitors came face to face with at least one chimpanzee.
Are they — or aren't they — spiritual beings? The question is back in the news, as the author of a study discusses findings and possibilities with anthropologist Barbara J. King.
Scientists have spotted chimpanzees routinely sipping palm wine from trees in Guinea. The study supports a theory that our common relatives evolved the ability to digest alcohol millions of years ago.
But neither Hercules nor Leo, who are at the center of a legal battle over whether chimpanzees should have the same legal rights as people, were physically present in the Manhattan courtroom.
The amended order suggests that the court has made no decision on whether the two research chimps at Stony Brook University can be treated as legal persons.
Manhattan Supreme Court Justice Barbara Jaffe's order Monday grants two research chimps the writ of habeas corpus. The decision, says Science magazine, effectively recognizes chimps as legal persons.
A 29-month study of chimpanzees in Uganda's Kibale National Park reveals that many have learned a valuable survival skill — to look both ways before crossing a busy highway.