While the identity of the tunnel-makers remains elusive, one thing is clear—these million-year-old structures hold secrets ...

This week, discover the Sahara’s greener past, explore a mysterious cosmological force, marvel at a new concept for space ...

A recent study has uncovered a long-forgotten landscape hidden beneath the vast expanse of Arabia’s Empty Quarter—one of the ...

The desert that we see today in Arabia was once a region that repeatedly underwent "green" periods in the past, as a result ...

The Sahara Desert is one of Earth's most arid and desolate places, stretching across a swathe of North Africa that spans ...