The U.S. is in peak flu season, as the CDC releases a map of influenza activity across the country. See which states are at the highest risk of flu activity.

One of Colorado’s reintroduced wolves wandered farther southeast over the last month, exploring territory not yet traveled by any of the state’s collared wolves.

Ranchers reported Feb. 3 the collared wolf in Glade Park, which is about 17 miles from the Utah border and 10 miles southwest ...