Think you know your Dyson spheres from your dark blobs? This cosmic crossword dives into the strangest, most mind-bending structures ever spotted — or imagined — in the universe.

Strange spiral structures have recently been unearthed beneath the vast stretches of the Sahara Desert. This intriguing discovery, coupled with modern technology’s role in unveiling these structures, ...

Strange structures up to 1,300 feet (around 400 metres) long have been discovered deep beneath the ice in Antarctica. The never-before-seen shapes were uncovered when a remotely operated vehicle (ROV) ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

What is beneath the continent of Africa? There are two big structures down there that do not seem to be from our planet, ...