These incredible late 19th century maps offer a glimpse into the urban landscape of America after 1865, post-Civil War, when New York was home to two million and was yet to see widespread electricity.

Intense wildfires in Canada have sparked pollution alerts across swathes of North America as smoke is blown south along the continent's east coast. Toronto, Ottawa, New York and Washington DC are ...

A map showing the areas affected by the solar flare, including the entirety of North America. Inset, an image of the solar flare. NOAA/SWPC/NASA Solar flares can affect us on Earth, and radiation ...

A geologist has mapped the formation of North America across hundreds of millions of years, showing the continent as two relatively tiny land masses 450 million years ago to what it looks like today.