Add Yahoo as a preferred source to see more of our stories on Google. Each Arctic wolf pack has a dominant female and male, who bond for life. You might expect that it would be more practical to keep ...

Add Yahoo as a preferred source to see more of our stories on Google. A male hourglass tree frog (Dendropsophus ebraccatus) with an inflated vocal sac used to produce calls. Your taste in music may ...

Finding a lifelong partner is uncommon in the animal kingdom. Most species focus on mating opportunities rather than lasting bonds. Still, a small number form strong partnerships that continue across ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...