While some dogs are more active than others, Wesley Stainton told Newsweek that "30 minutes outside can make a huge ...

Pettit, NASA's oldest active astronaut, is celebrating his 70th birthday while landing in Kazakhstan after 220 days in space.

In a rare moment, a two-toed sloth gave birth in front of visitors at a zoo in Minnesota. Sago, a Hoffman two-toed sloth, ...