From dogs with unique quirks to adorable cats and even playful hippo, these animal celebrities have captured hearts online.

The controversy over Peanut, the pet squirrel and social media sensation seized by the state Department of Environmental ...

The one-way door (above) acts exclusively as an exit for any animal trapped inside the house. If the homeowner is able to ...

Mark Longo, who called Peanut the Squirrel his pet for this past seven years, described the New York's decision to seize and ...