The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is ...

Much of President Donald Trump’s tariff rhetoric has been about restoring factory jobs — particularly auto jobs — that he says had been destroyed by bad trade deals such as the North American Free ...

These days, the true history of North America is finally starting to find its way into public discourse. This wasn't always ...

The American Fisheries Society identified 700 species of freshwater or anadromous fish in North America as being imperiled, amounting to 39 percent of all such fish on the continent [8]. In North ...