Ancient landmarks that have endured the passage of time and silently observed human history are scattered across the globe.

Historians have long assumed that ancient Egyptian pyramids were constructed primarily for royals and high-status individuals ...

For example, in a forest a pyramid of numbers might show a single tree feeding loads of caterpillars, which can feed several blue tits, which can feed a couple of hawks. But this doesn't look like ...

Have scientists discovered giant structures beneath the pyramids, including columns extending hundreds of meters into the ground?

The pyramid contains figures as of 1950 and also provides a forecast for the coming decades. The ‘play’ button shows the development through the years. You can pin an age by clicking on it: for ...

The pyramid contains figures as of 1950 and also provides a forecast for the coming decades. The ‘play’ button shows the development through the years. You can pin an age by clicking on it: for ...