U.S. and China to Launch Mars Missions, Vying for Space Supremacy – The Wall Street Journal

SHANGHAI—The rivalry between the U.S. and China assumes cosmic proportions this month, as both countries prepare to send spacecraft to Mars within days of each other.

The head-to-head Mars missions are the latest sign that China is ready to challenge the U.S. in space exploration, in recent decades an American preserve.

China’s first mission…


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