What could destroy Earth—and could Mars hold the key to humanity's future? Explore planet-ending catastrophes, the science behind yesterday's science fiction, and the latest discoveries that are reshaping what we know about the Red Planet. See more in this marathon from The Universe. #TheUniverse Subscribe for more from The Universe and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: http://www.history.com/shows/ Check out exclusive The HISTORY Channel content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook TikTok - http://bit.ly/4kZKjXi 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.