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New Mexico

While no prediction tool is 100 percent accurate, experts have developed interactive maps to guide your leaf-peeping activities.

Leaf-Peeping Season Is Almost Here. These Interactive Maps Can Help You Figure Out When Fall Foliage Will Peak in Your Area

From the magnificent mountains of New England to the desert landscape of northern New Mexico, the tools can help you make the most of nature’s upcoming wardrobe change

Dinosaurs and other animals might have eaten the fruits of angiosperms during the Late Cretaceous.

Early Flowering Plants May Have Relied on Dinosaurs to Eat Their Fleshy Fruits and Spread Their Seeds

According to fossils preserved by volcanic ash, the plants, known as angiosperms, began producing relatively large, blueberry-size fruits millions of years earlier than previously thought

The country’s oldest specialty smallpox hospital in New York City

America's 250th Anniversary

The Oldest Black Church in the U.S., the Wright Brothers’ Home and a New York Hospital Are Among the American Heritage Sites in Urgent Need of Preservation

For its “Irreplaceable America” list in honor of the 250th birthday of the United States, the World Monuments Fund chose endangered historic sites of innovation, creativity and spirituality to publicize and support

Director Steven Spielberg on the set of Disclosure Day, his latest UFO-inspired film

What’s Behind Steven Spielberg’s Lifelong Obsession With Flying Saucers and Extraterrestrial Visitors?

Half a century after “Close Encounters of the Third Kind,” the director returns to the subject of UFOs with “Disclosure Day.” His science fiction films are informed by his fascination with alien encounters in American suburbia

An artistic rendering of Labrujasuchus expectatus

Meet the ‘Witch Croc,’ a Strange Ancient Crocodile Relative With Two Legs and No Teeth That Roamed New Mexico During the Triassic

The reptile, a dinosaur look-alike called a shuvosaur, represents a long-awaited discovery that helps paleontologists fill a gap in the fossil record

O’Keeffe’s New Mexico studio Ghost Ranch. Opposite, a 1918 photo portrait by future husband Alfred Stieglitz.

America at 250: The Revolutionary Spark

Georgia O’Keeffe Ignored Advice to Mimic Great European Masters. Her Goal Instead Was to Be a Great American Painter

The genius of her work was in painting things as she saw them through her own eyes. So when she surrounded herself with beauty, her work reflected it