Rightfully nicknamed the Black Wolf Nebula, it was captured in a 283-megapixel image ... each with a filter allowing a specific color of light to pass through. These images were all captured as part ...

Their coat is usually grizzled gray, but can be mostly or all black. The tail hangs down or straight, but never curled. Wolf tracks may be up to 4 inches wide and 5 inches long. Wolves are by ...