Long hidden graffiti scrawled on a pillar deep beneath the Lincoln Memorial may be a besotted worker’s drawing of a sexy screen siren from the silent age of film. Workers discovered the graffiti ...

At the bottom of a 500-foot deep cave, explorers discovered something astonishing – a mysterious deep blue hole. In this video, we follow the journey to uncover what lies beneath the surface, from ...

Scientists have uncovered billions of years’ worth of secrets buried beneath the surface of the moon. Our celestial companion has been a source of awe and mystery since time immemorial, but now, ...