Vinayaka Chaturthi 2025 falls on August 27 in many places, with the Chaturthi tithi spanning late August 26 to afternoon of ...

The Discovery Center Museum in Rockford is teaching visitors how to make a sundial, an ancient tool used to tell time using the sun.

Carvings on a 12,000-year-old monument in Turkey appear to mark solar days and years, making it possibly the oldest solar ...