The study, which was published December 20th, immediately preceded the winter solstice, when thousands of people flock to the site at Stonehenge to take part in an ancient Celtic tradition.

Thousands gathered at Stonehenge on Saturday to witness the sunrise at the ancient British monument on the northern hemisphere’s shortest day of the year. It’s an old Celtic tradition that has ...

Looking at the extent of stone circles in Wales, the growth of Celtic hill forts and what they reveal about the changing society of that time.