At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...
Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...
SAN FRANCISCO -- Venus and Mars, planet Earth's two closest neighbors, have been inching ever closer to each other during the month of July. Monday night, they promise to put on a show, appearing at ...
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