Koalas with the bodies of lions. Elephants the size of your dog. Gigantic, 8-foot-tall sloths. These aren’t creatures found in science fiction: They walked our planet a million years ago, during the ...

LAS VEGAS (KLAS) — A new study gives scientists a fresh look at what life was like in the Las Vegas valley more than 12,000 years ago. Before the strip, Southern Nevada was home to ice-age animals.