It's been decades since Australia's thylacine, known as the Tasmanian tiger, was declared extinct and scientists say they've made a breakthrough as they research ways to bring back the carnivore.

Potter Park Zoo announced on Monday, March 9, that its Amur tiger, Vikentii, has died. The endangered tiger, native to China and Russia, was 16 years old, the Zoo said in a post on X. "It is with ...