A 19-year-old Malayan tiger at Reid Park Zoo has died. Sita was humanely euthanized for advanced kidney disease on Thursday, zoo officials said in a press release. There are no other tigers at ...

The Denisovans, together with the Neanderthals, are the closest extinct relatives of modern humans. It wasn't until 2010 that scientists announced that the Denisovans existed, so much about them ...