A devastating ancient comet strike in Turkey appears to be etched into what may be the world's oldest lunisolar calendar, assuming the event happened in the first place.
Archaeologists recently reinterpreted markings on a stone pillar at Göbekli Tepe in southern Turkey, the site of one of the world's oldest ancient farming communities. The Mesopotamian site is roughly 12,000 years old, dating to the beginning of the Holocene that marks the most recent epoch of Earth since the glaciers retreated.
