Natural phenomena so strange that researchers still find them baffling ...

Add Yahoo as a preferred source to see more of our stories on Google. While many 'mysterious' natural phenomena have been unraveled by science, there remain a few that sit stubbornly outside our ...

Natural phenomena so strange that researchers still cannot agree what causes them ...

Picture this: You’re in a marsh, and it’s getting dark. You’re all alone in the murky water, or so you think, until you glimpse on the horizon a flickering blue flame. You think you’re imagining ...