The Tech NASA and China Will Use in the Search for Life on Mars | WSJ

China, the UAE and the U.S. all have spacecraft visiting Mars in February to study the Red Planet. WSJ explains how out-of-this-world technology is being used by NASA’s Perseverance and China’s Tianwen-1 in the search for evidence of life beyond our planet. Photo: NASA More from the Wall Street Journal: Visit : Visit the WSJ Video Center: On Facebook: On Twitter: On Snapchat: