What do rock samples from Mars tell us?

NASA’s Perseverance rover, which has been collecting rock samples on Mars, recently found a sample that may show evidence of ancient microbial life. Editor of NASA Watch, Keith Cowing, explains its significance. #Heat #Space #NASA #Mars Full show: https://youtu.be/h9ZyK2QIDgI Watch CGTN LIVE on your computer, tablet or mobile https://cgtnamerica.vhx.tv/videos/hd-live-broadcasts Subscribe to CGTN America on YouTube Follow CGTN America: Twitter: @cgtnamerica Facebook: @cgtnamerica Instagram: @cgtnamerica TikTok: @newstoks This material is distributed by MediaLinks TV, LLC on behalf of CCTV. Additional information is available at the Department of Justice, Washington, D.C.