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 ...

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 ...

As visitors descended on Yosemite National Park to witness its iconic “Firefall” event, an upside-down American flag was hung on a park summit to protest the ongoing federal job cuts carried out by ...