Photos from over the last five years show some of the space oddities it has spotted in its exploration of the Red Planet.

This mosaic is made up of more than 100 images captured by NASA’s Viking 1 orbiter, which operated around Mars from 1976 to 1980. The scar across the center of the planet is the vast Valles Marineris ...

WASHINGTON — The search for past or present life should be the top science objective of future human missions to Mars, a new National Academies report concludes. The report, A Science Strategy for the ...