Learn about the collection of medieval stone disks found in Ukraine and why researchers are speculating on their role as ...

The Vikings used a form of compass to navigate. They used shadows cast by the sun to help them determine which way they were sailing. The Vikings were expert sailors. From fishing and going on ...

A new study suggests that medieval stone discs found in Ukraine were likely used by Vikings as solar compasses to navigate ...

The Vikings had no compass but undoubtedly steered by the sun and stars. Did they have other aids? The sagas contain intriguing references to a solarsteinn or 'sunstone' used for navigation.