The megalithic monuments of the Neolithic era—consisting of large stones and peculiar architecture—have ... roof of the site was made of capstone boulders with a soft-to-moderately soft ...

researchers at ETH Zurich have let an autonomous excavator loose on a big pile of boulders and reclaimed concrete. The goal? To build a 20 foot (6 meter) and 213 ft (65 m) long dry-stone wall as ...

Whether or not new buildings in Boulder are “ugly” is subjective. But many large developments in Boulder do tend to look ...

Downtown sites that once had tent encampments have been covered by rocks. Mayor Ed Gainey’s administration seeks a softer ...

Renée del Gaudio manages to turn simple forms and humble materials into sensational works of architecture. Working on remote building sites, the Boulder architect breaks up houses into smaller ...