What if the most beautiful creatures on Earth were also the most mysterious—and nearly invisible? Rare big cats live in the ...

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.

Thylacines — marsupials known as Tasmanian tigers — were declared extinct decades ago, but efforts to find one in the wild ...