WIRED Space Photo of the Day: Ancient Impact and Flood Large and small, hundreds of thousands of craters scar the surface of Mars, hollowed out by a multitude of asteroids and comets that impacted the Red Planet throughout its history. This image shows a region of the planet's northern hemisphere known as Hephaestus Fossae - after the Greek god of fire - that was imaged by the high-resolution stereo camera on ESA's Mars Express orbiter on 28 ...
Feb. 17, 2014 - Wired News