So where did it come from? In our new paper published in Nature, we have traced the Altar Stone's source to north-east Scotland, meaning it traveled at least 430 miles (700km) to Salisbury Plain.

Stone tools and stone circles discovered in coastal Scotland show that prehistoric people settled farther north than anyone ...

“Together with the new stone alignments and several other nearby sites, this region now contains more evidence for the LUP than anywhere else in Scotland,” scientists wrote.

These farms marked the start of a new age in Britain – the Neolithic period (or new Stone Age): As well as setting up farms and permanent homes, they also built massive tombs and giant stone ...