Unraveling the enigma of ancient mud cracks in the Martian landscape, scientists suggest that the polygonal patterns could signify a past environment conducive to extraterrestrial life.
Live coverage as NASA s Perseverance rover descends to the surface of Mars, one more step toward human exploration of the Red Planet. NASA says hundreds of critical events must execute perfectly and exactly on time for the rover to land safely.
If the rover lands, it will search for ancient microbial life, study Mars past climate and collect sediment for the first time that will eventually return to Earth.