To help revive the Przewalski's horse, or takhi, in Mongolia, a Washington, D.C.-area zoo facility hosted the first ever reverse vasectomy on the species. Video.
Before it reopens on the Fourth of July, get an insider's eye on the Statue of Liberty--the inside of her face, the little-known ladder to the torch, and more.
Migaloo, a twentysomething rare white humpback whale was seen this week along Australia's east coast, where he's migrating northward with other humpbacks. Video.
From glass pyramids to towers of greenhouses, see some of the concepts that architects have created for vertical farms, a proposed strategy for growing crops year-round at the hearts of urban centers.
Some dogs can smell odors given off by humans with bladder cancer and diabetes, researchers say. In some cases, the canines warn of oncoming attacks. Video.
Sinkholes around the Dead Sea pose a hazard to tourists and the environment alike. The danger may only get worse, and geologists hope to map problem areas to help protect the public. Video.
Aerospace engineers have re-created Hitler's "stealth" fighter to determine whether the batlike plane was truly radar resistant—and whether it could have changed history.
Never mind chewing gum, this new robot can walk and "emote" at the same time, using both its face and arms to convey "feelings"—a first, scientists say. Video.
A 3-D sunspot debuts, the clock keeps ticking for the latest space shuttle launch, a couple ties the knot while weightless, and more in this week's best space pictures.
Scientists in Indonesia claim they have unearthed the 200,000-year-old skeleton of a giant elephant that stood more than 13 feet (4 meters) tall. Video.
Though most of their neighbors in the Patagonian Andes are shrinking, two glaciers in Chile and Argentina, respectively, are taking on ice, puzzling scientists.
National Geographic Traveler has scoured the globe for the world's most beautiful, interesting, and off-beat road trips. Dive in to get drive directions, quizzes, photos, and more.