When reindeer herders in Siberia spotted a small snout protruding from thawing ground, they were not expecting to uncover a 14,000‑year‑old puppy so intact that its whiskers, eyelashes, and even the ...

Though the woolly rhinoceros might not be as well known as its contemporary, the woolly mammoth, it roamed the Earth for millions of years—until its extinction about 10,000 years ago, at the end of ...