Stone spheres could be from Ancient Greek board game

Archaeologists from the University of Bristol have suggested that mysterious stone spheres found at various ancient settlements across the Aegean and Mediterranean could be playing pieces from one of the earliest ever board ...

Wind drives geology on Mars these days

A new paper based on exploration by the NASA's Curiosity Mars rover—and reviewed by an astronaut while she was on the International Space Station (ISS), in what may be a first for peer-reviewed science literature—describes ...

When and why did humans start using tombstones?

As grave markers, tombstones offer a focus for mourning and commemoration. Typically made of stone and usually engraved with the deceased's name, date of birth and death, they also often carry inscribed tributes. They've ...

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