Many of us have wondered what a landscape we see in a modern photograph might have looked like centuries ago. This question ...

The path of totality will carve an arc of darkness across the surface of our planet – at the height of the August tourist ...

Fortunately, there’s an interactive map that can help with that. As Boing Boing explains, TimeMap.org combines the what, who, and where of history into one convenient world map.

Predicting the precise path of a new asteroid or comet is a complex affair; the more observations you have, the better you ...