Long before clocks or written calendars existed, ancient farming communities faced a life-or-death problem; they needed to ...

Markings on a stone pillar at a 12,000 year-old archaeological site in Turkey likely represent the world's oldest solar calendar, created as a memorial to a devastating comet strike, experts suggest.

'Calendar' rock carvings from Ancestral Pueblo discovered. The carvings were found at a site called Castle Rock Pueblo on the ...

Event Abstract: Ancient Maya cosmology and sociocultural conduct was entwined with a complex calendar system. This is evident from thousands of stone inscriptions and other extant texts, especially ...

Markings on a stone pillar at a 12,000-year-old archaeological site in Turkey likely represent the world's oldest solar calendar, created as a memorial to a devastating comet strike, experts suggest.

The heiau, as it’s known in Hawaiian, was reconstructed in 2007 and dates to the early to mid 15th century, according to a Feb. 24 news release from the University of Hawaiʻi at Mānoa. Researchers ...