The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

across slammed into the far side of the moon at a speed of about 1 mile per second. As it impacted at what is now known as the Schrödinger basin crater, ejecta was shot out like missiles and in ...

Take a road trip through Nevada to this moon-like crater used by NASA astronauts as a training ground to prepare them for the ...

However, you can't just ask features on the moon for their age; geologists have to employ clever detective work to get those answers. Planetary scientists count craters, for instance, the logic being ...

They used images obtained by NASA's Lunar Reconnaissance Orbiter to carefully map the crater, the canyons, and the deposits of ejected rock that rained back down. When the impactor hit the moon ...