While working on a highway-widening project in the middle of South America's Atacama Desert, Chilean workers unearthed an eerie scene that had no business being more than a kilometer away from the ocean: a mass fossil graveyard containing more than 75 ancient whales, reports MSNBC. Finding whale bones in the middle of the desert is strange enough, but scientists were quick to notice a deeper mystery. The fossils ended up right next to one another — some mere meters apart — as if to suggest that the whales all died at once, possibly during some cataclysmic tragedy. What could have...