Meet Kitzia the cat who always seems to be in a mood and is competing for the late beloved Grumpy Cat’s throne. Kitzia, whose name means ‘kitty,’ has over 44.9k followers on Instagram and looks as ...

Major League Baseball history will be made this holiday weekend­—by a grump. The Internet star, Tardar Sauce, also known as Grumpy Cat, will take Chase Field to throw the ceremonial first pitch at ...

Grumpy cats can be tough to crack, but science has some answers. Animal behaviour experts, known as ethologists, have spent ...