TENINO, Wash. — Two gray wolf brothers arrived at a wildlife refuge in Washington from the Midwest Tuesday, but they didn’t get there on foot. They arrived on a twin-engine plane. Tuesday’s arrival ...

Until recently, the dominant method to manufacture a moving machine, be it an aircraft, a spacecraft, or a submarine, was to ...

There are wolves that look like dogs, and dogs that appear suspiciously like wolves. For most, this is just a symptom of the fact that dogs are descended from wolves, but for one animal recently found ...