Stonehenge's Altar Stone: a Neolithic trek across Britain

A Curtin University–led study links Stonehenge’s Altar Stone to Caithness, Scotland, using mineral fingerprints and ice‑sheet modeling to show glaciers likely played only a limited role; the six‑ton block would have required a staged, human‑led journey across land and waterways to Salisbury Plain, highlighting coordinated Neolithic transport across regions rather than a purely glacial transfer.