Admit it. You held your breath a little on Dec. 21, 2012 -- the most recent day marked as the "end of the world."
(PHOTOS: Meteor Explodes Over Russian Skies)
The world, of course, did not end, but 2013 has seen its share of "what if" scenarios. From a meteorite breaking apart over western Russia to earth's closest call with an asteroid yet, the new year has only escalated the fervor surrounding end of days prophecy.
But the end to life as we know it isn't just for Hollywood or science fiction novels. Every day we live and breathe among disasters waiting to happen. The Weather Channel's new series "Forecasting the End" dives into the hair-raising theories behind earth-ending science. Hear how disasters like super-volcanoes, mega-tsunamis and deadly solar flares aren't as far-fetched as you think.
MORE ON WEATHER.COM: Craters That Had the Biggest Impacts on Earth
This gallery features some of the most dramatic impact craters on Earth.
Barringer Crater in Winslow, Arizona (Thinkstock/Jupiterimages)