Detail of a photo: Maze of layered canyon walls and buttes in bands of red, cream and grey, receding into the distance in soft evening light.
GeoLog

Face on Mars

Reflecting on fifty years of Mars through Viking 1’s lens

Reflecting on fifty years of Mars through Viking 1’s lens

On July 20, 1976, a machine of steel and titanium dropped through a thin atmosphere and touched the dirt of Chryse Planitia. Scientists at NASA held their breath, since five years earlier, the Soviet Union’s Mars 3 probe had died less than two minutes after touchdown. To mitigate this nightmare, engineers programmed Viking 1 to …[Read More]