are "stout cat-sized rodents belonging to the group of large ground squirrels in the family Sciuridae," according to the U.S. Fish & Wildlife Service. The average groundhog lives four to six years ...

The animal-rights organization has written a letter to The Punxsutawney Groundhog Club in an effort to change up the winter tradition Anna Lazarus Caplan is a writer-reporter for PEOPLE.

He imagined a box containing a radioactive atom, a vial of poison and a cat. Governed by quantum rules, the radioactive atom can either decay or not at any given moment. There’s no telling when ...