In 2012, scientists discovered that Sandy Island, a seemingly real landmass on maps for more than a century, was just open ocean. This article explores the origins of the myth, the expedition that confirmed its non-existence, and the implications for map accuracy today.

For generations, mapmakers relied on sea captains’ eyewitness reports to draw nautical charts. Dense sea fog, mirages, and other optical effects sometimes led mariners to mistake…

In 2012, scientists discovered that Sandy Island, a seemingly real landmass on maps for more than a century, was just open ocean. This article explores the origins of the myth,…