A masterpiece of prehistoric rock art from the Amazon, hailed by some as “the Sistine Chapel of the ancients,” may depict extinct Ice Age mammals, offering a fascinating snapshot of doomed species and ...

SANTA CRUZ — During the last ice age, known as the Pleistocene, Santa Cruz County was a wild place populated with ancient humans and larger-than-life creatures, or megafauna, such as mastodons and ...

He “realized he had been looking for a ghost, a unicorn, an animal that had been extinct for thousands of years. It was Mylodon.” Gigantic sloth, extinct mammal of the Pleistocene Epoch, drawing ...