Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. A truly sustainable future requires solar power, but trying to ...

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 ...

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.

In this video I talk about the different calendars that exist throughout the world. I explain how, in general, calendars are categorized as either being Solar, Lunar, or Lunisolar; with the first ...

Explore how the Tamil calendar ties solar movements to harvest cycles, Pongal, and a 60 year Jovian cycle, with comparisons ...

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 ...