Yellowstone to Yosemite: Kevin Costner speculates the reason behind Teddy Roosevelt's 'disappearing act' ...

Although their relationship may have started off on the wrong foot (or hoof), it seems the mother is now ready to embrace parenthood. This is a positive development for the calf, as research shows ...

You know, we've never thought about the first time a cow moos. It just seemed like something they innately knew how to do.