Uncovering L.A.'s Ice Age Past
Take a dip into the science of the tar pits in this video, a rare look under the surface at the fossilized bones of Ice Age predators, from dire wolves to mighty mammoths.
Why Did the Ice Age Titans Go Extinct?
A new study reveals that human impacts in an environment made fire-prone by climate change and herbivore loss led to large mammals vanishing from southern California.