Updated: 1 hour 3 min ago
In Kenya, baby elephant fights to survive after poachers poisoned her mother.
The growing mass of plastic sea trash can have fatal consequences for dolphins, whales, and other marine life.
The animals will be monitored and treated before being made available for adoption.
Photographer Corey Rich is documenting a pair of climbers who are attempting what some call the longest, hardest free climb in the world.
NASA's Kepler spacecraft turns up 554 possible worlds, and confirms eight more, including some that may be suitable for life.
The mollusk's flamboyance may warn predators or lure prey, new research suggests.
In South America, legal trade in vicuña wool has led to more poaching, a Chilean scientist warns.
A nine-ton slab of rock holds the remains of several Utahraptor dinosaurs that may have died while chasing down prey together.
Millions of refugees have fled the violence in Syria and in Iraq, and many face a frigid winter without heat or electricity.
A new year brings more delights for stargazers, with the week seeing several planets promenade brightly across the heavens.
Almost nothing is known about the author or date behind The Iliad and The Odyssey. "It's a mistake to think of Homer as a person," says the author of the new book Why Homer Matters.
Our photo editors pick the best pyramid pictures from National Geographic's archive.
Massive earthen structures called tulou once sheltered hundreds of clan members. Now residents are being replaced by tourists.
A battered moon shows its age, while the sun acts up and a volcano erupts, in the week's best space pictures.
As Vermont Yankee shuts down, the government has yet to address long-standing issues of decommissioning and waste disposal.
Animals have been on the cover 153 times. Which one has shown up most often?
In the California migrant camp that helped inspire The Grapes of Wrath 75 years ago, a lack of water has brought a familiar desperation.
From practical to visionary, this year's energy breakthroughs offer great promise.
Basic Instincts: A genteel disquisition on love and lust in the animal kingdom.
If you missed comet Lovejoy at Christmas, you can still catch it—and it's still getting brighter.