Canadian scientists have warned that an overlooked fault line could unleash catastrophic earthquakes across North America — ...

From unexplained phenomena to baffling disappearances, follow the clues while discovering our country’s treasured protected ...

A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found decades ago in Canada reveal. The first set of fossils, found in 1988 ...

Using new radiocarbon dating on ancient footprints found preserved in the gypsum-rich ground in White Sands, researchers have now confirmed that humans roamed North America 23,000 years ago. The ...

Now, their new research offers insight into North America's oldest known flying reptile that Kligman and other paleontologists say was the size of a "small seagull." ...

A version of this article appears in print on June 17, 2025, Section D, Page 3 of the New York edition with the headline: Ancient North America Had Extensive Farming.