They often find ice age mammals like woolly mammoths, steppe bison, ancient horses, lions, wolves and others, typically between 10,000 and 100,000 years old.

“That gives us some clues that [the age of the mammoth] is going to be in the 30,000- to 40,000-year-old time frame,” he said, adding that it corresponds to a relatively warmer period between ...

Grant Zazula is excited. The Yukon government paleontologist just spent a week in the Klondike gold fields looking for — and finding — ice age fossils. So far, he said, he and his team have found the ...