Carvings on a 12,000-year-old monument in Turkey appear to mark solar days and years, making it possibly the oldest solar calendar in ancient civilization. Marking a massive comet strike as the start, ...

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.

We live in a light-polluted world, where streetlamps, electronic ads, and even backyard lighting block out all but the brightest celestial objects in the night sky. But travel to an officially ...

A 1,000-year-old Mayan manuscript might still predict solar eclipses accurately. The Dresden Codex, one of only four ...

For as long as humans have existed, they’ve looked up at the stars. Whether searching for prophecy or navigational guidance, humans have assigned meaning to stars’ location and illumination in the ...

Stonehenge is an astonishingly complex monument, which attracts attention mostly for its spectacular megalithic circle and "horseshoe," built around 2600 BC. It had long been thought that the famous ...