When bats aren't flying, they often dangle from cave ceilings or the undersides of bridges. But why do bats sleep upside down? This topsy-turvy behavior may result from the evolutionary journey bats ...

New video has emerged on Tuesday of the chaotic moments after Delta flight 4819 flipped over on the runway at Toronto Pearson International Airport. In the video -- obtained exclusively by ABC News -- ...

A scary ride at an amusement park turned even scarier when the attraction malfunctioned and left dozens of people dangling upside-down in their seats for almost 30 minutes. Riders experienced more ...

You Dozens of people were protesting for the workers who were laid off in Yosemite National Park. They even flew the American flag upside down off El Capitan. 1000 National Park workers were told ...