NASA shares pics of crater, towering dust devil, avalanche on Mars

On the 15th anniversary of Mars Reconnaissance Orbiter that was launched to study Mars' atmosphere, weather, subsurface water and other things, NASA shared pictures taken from the orbiter's HiRISE camera. The pictures included towering dust devil, avalanche, crater and Mars' Moon Phobos among others. HiRISE has taken 6,882,204 images so far, NASA said.