Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a ...

Fifty thousand years ago, North America's landscapes were alive with an astonishing array of enormous creatures. Massive woolly mammoths roamed vast icy plains, while dense forests echoed with the ...

A Gilded Age baron invited Carl Alwin Schenck to manage his forest at the Biltmore Estate. The decision changed America's ...

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Computer models predict that hotter, drier conditions in North America will limit the growth of a fungus that normally curbs the spread of the spongy moth, an invasive species that has caused millions ...

An ancient hornless rhino fossil found in the Canadian Arctic, Epiaceratherium itjilik, shows rhinos once lived much farther ...

Largely outshone by fossils of horses, the earliest camels are getting another look from scientists determined to sort out ...

As the climate crisis worsens, so does pressure on wildlife. The number of birds in North America has declined by 3 billion in the last 50 years. Brooke Bateman, director of climate science at the ...