Ancient Aliens: SIGNS OF LIFE ON MARS (Season 13) | History

Watch new episodes of Ancient Aliens Saturdays at 9/8c, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule.

After tracking methane levels on Mars over the past few years, Elizabeth Rampe, NASA Exploration Mission Scientist, breaks the news that there is a cycle in the gas that could be caused by possible life, in this clip from Season 13, "Return to Mars". #AncientAliens
Subscribe for more from Ancient Aliens and other great HISTORY shows:
http://histv.co/SubscribeHistoryYT

Find out more about the show and watch full episodes on our site:
https://histv.co/AncientAliens

Check out exclusive HISTORY content:
History Newsletter: https://histv.co/newsletter
Website - https://histv.co/History
Facebook - https://histv.co/Facebook
Twitter - https://histv.co/Twitter

"Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years.

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.

Видео Ancient Aliens: SIGNS OF LIFE ON MARS (Season 13) | History канала HISTORY