The Mexican wolf, seen here at the Endangered Wolf Center in Eureka, Mo., Oct. 15, 2025, is the most critically endangered wolf subspecies on Earth. Joshua Carter Belleville News-Democrat Less than an ...

The Northern and Southern Maned Sloths may look very similar from the outside, but their genomes reveal different stories: the two species have faced very distinct conditions in Brazil’s Atlantic ...

With a deep orange coat, long, dark legs and sizable, white and fluffy ears, he looks like a cross between a fox and a coyote. He’s about 3 feet tall, making him one of the tallest of his species. The ...