Juniper's owner was "very curious" to see what her 1-year-old dog gets up to while alone—but she didn't expect to see this.

These two were on a day trip to the West Midland Safari Park. Their day started with excitement and fun as they explored the park and marveled at the wildlife. Everything was going perfectly until ...

Henrique was holding a small toy when a mischievous thought suddenly popped into her head. She smiled to herself, thinking about how funny it would be to play a little prank on her friend. Her friend, ...

Pope Francis reveals his "mischievous" youth in an autobiography published Tuesday, in a book that also touches on his childhood, immigration and ordering pizza.

This is no time to be monkeying around! Authorities in Missouri located a missing pet spider monkey after it opened the door of its owner's home and walked out. The Jefferson County Sheriff's ...