Howler monkeys are relatively small primates known for their incredibly loud, low-frequency roars that sound as if they come from a much larger creature. This is useful in the animal kingdom because ...

Chester Zoo is celebrating the birth of a rare coppery titi monkey the size of a "golf ball" for the first time in its history. The birth on 14 August is the first time one of the rare South American ...

Add Yahoo as a preferred source to see more of our stories on Google. Trump says a breakdown in peace talks with Iran could mean 'you won't have the strait open for months' ...