The standard picture of the moon is of a long-dead object, geologically speaking. But using observations from cameras on board the Lunar Reconnaissance Orbiter, Thomas Watters and colleagues say in the journal Nature Geosciences that there are signs of more recent tectonic activity on the moon, within the last 50 million years.

For an in depth examination of the phenomenon, read Wired Science‘s article: Not Dead Yet (The Moon’s Still Seismically Active)