Impact craters are formed when an object from space such as a meteoroid, asteroid or comet strikes Earth at a very high velocity. This leaves an excavated circular hole in the Earth's surface.
Fresh craters reshape the Moon far beyond visible debris, revealing faster surface turnover and new clues about lunar history ...
Loosely-bound clumpy asteroids with curveball-like spins may have scooped out some of Earth's most distinctly shaped craters, including Arizona's bowl-like Barringer Crater, a study published Nov. 22 ...
The lunar craters Archimedes (top) and Eratosthenes and the Apennine Mountains. All these features will be visible in the northern half of the moon tonight March 20. I'm a happy cheerleader for the ...