A finger-length fish has reignited a long-running debate about self-awareness, cognition and how much we’ve underestimated ...

A new study has found a decline in the abundance of marine fish species that move rapidly toward the poles to escape rising sea temperatures. The researchers explain that many animal species are ...

Migratory species don’t travel with a passport, but they cross borders all the time. This makes the animals’ conservation a uniquely challenging, international effort. That effort needs a lot of work, ...

When a species comes off the Endangered Species Act list, is that the end of the story? No. While a win is a win, it’s never the end; responsibility for these species often shifts to states, Tribes, ...

Inside the National Black-Footed Ferret Conservation Center, in Carr, Colorado, Dr. Della Garelle, a veterinarian with the U.S. Fish and Wildlife Service, is leading the effort to bring one of America ...