KILLER Asteroids and Black Holes | Doomsday: 10 Ways the World Will End | *Marathon*

There are many possibilities regarding the world’s end. Learn about a few in this epic marathon from Doomsday: 10 Ways the World Will End. #Doomsday10WaysTheWorldWillEnd Subscribe for more HISTORY: Check out exclusive HISTORY content: History Newsletter - Website - Facebook - Twitter - HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.