Several types of downhill flow features have been observed on Mars. This image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars
Valles Marineris greatest Canyon in our Solar System (or Mariner Valley), is 4000 km (2500 mi) long and reaches depths of up to 7 km (4
The Jake Matijevic rock that Curiosity explored for several days on Mars, is marked by red dots indicate areas where the rover shot the rock with
This NASA image shows small spherical objects captured by the Microscopic Imager on Mars Rover Opportunity and covers an area only about 2.4 inches across,
After months of anticipation, on Monday 14, three brave astronauts set foot on Mars—or rather, a darkened, sand-filled room designed to simulate Mars.
Sand dunes shaped like blue-black flames lie next to a central hill within an unnamed, 120-kilometer-wide (75-mile-wide) crater in eastern Arabia on Mars.
This image from NASA’s Mars Exploration Rover at the edge of “Santa Maria” crater shows diverse textures of the crater.
As a general rule, when NASA flies a scientific mission all the way to Mars, we expect that mission to last for a while. For