A giant, geological wonder in the Sahara Desert of Mauritania is pictured in this satellite image. The 40 km-diameter circular Richat structure is one of the geological features that is easier to ...

Astronauts aboard the International Space Station captured this image of a huge crater in Africa on Nov. 22, 2014. This is the Richat Structure in northwestern Mauritania, otherwise known as the “Eye ...

The circular formation in this photo is the Richat Structure of Mauritania, which “has captured the attention of astronauts for about as long as NASA has sent humans into orbit around Earth.” ...

The Eye of Sahara (Richat Structure) is a 40km geological dome in Mauritania, formed by uplift and erosion. It is visible ...

A desert country in Northwest Africa, Mauritania is an underrated travel destination. The country gets overlooked for many reasons. Despite persistent strides from local activists, slavery is still ...

NASA’s Goddard Space Flight Center decided to kick a hornet’s nest July 16 when it shared an image of one of Earth’s most debated oddities. Known as the Richat Structure, the formation is a series of ...