Nikolay Bakharev, a collection of portraits and historic photography in this week’s On Photography.

New research published in the journal Nature suggests that the prints, discovered in Tanzania in 1976, were left by an unidentified hominin, or early human ancestor, more than 3.6 million years ago.

BB-12, a 3-to-4-year-old male bear captured and collared on April 23, was tracked by GPS and bear paw prints were seen near Leo Carrillo State Beach, officials said. “Have you ever seen a black ...

They also linked DNA from the wild paw prints with 12 individual bears. Researchers decided to home in on eDNA from paw prints, rather than from feces, because DNA degrades as it passes through ...

An Alberta wildlife reserve says a bear's paw print is just as unique as a human's fingerprint and thus they're able to use artificial intelligence to gather information about individual bruins.