For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became iconic in popular culture long before astronomers confirmed that planets ...

Add Yahoo as a preferred source to see more of our stories on Google. Aliens in the forest Claims that extraterrestrial beings are already on Earth have moved far beyond science-fiction forums. Former ...

Earth is familiar because we see the same kinds of landscapes every day. Yet scattered across the planet are places where the usual rules of scenery seem to disappear. The ground can turn bright red, ...