This Aug. 26, 2003, image made available by NASA shows Mars as it lines up with the Sun and the Earth. A new study suggests water on Mars may be more widespread and recent than previously thought. Scientists reported the finding from China's Mars rover in Science Advances on Friday, April 28, 2023. (NASA/J. Bell - Cornell U./M. Wolff - SSI via AP, File)
April 28, 2023
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April 28, 2023 1:10 p.m.
China's Mars rover finds signs of recent water in sand dunes
Studying the structure and chemical makeup of these dunes can provide insights into "the possibility of water activity" during this period