New tech is helping researchers better understand Yellowstone's apex predators.

January is the time of the wolf moon. The "Old Farmer's Almanac" says it got the nickname because wolves were likely to be heard howling in midwinter. MARTIN: That's Michelle Mancini with the Wolf ...

Individual wolves can be identified by howls with well over 90 percent accuracy. I wore a three wolf moon t-shirt out in the wild once and was immediately accepted as the alpha male in a pack of gray ...