Updated: 22 min 47 sec ago
In 1989, 35 Americans—including seven veterans of the Vietnam War—volunteered to operate on children deformed by cleft palate. Twenty-five years later, the mission continues.
A landing mishap parked Europe's comet lander in the shadow of a crater.
The IUCN’s Green List establishes the first global standard for protected natural areas.
An imam crossed the border while ill with Ebola, potentially sparking an outbreak.
These images from the International Space Station shed light on our dynamic planet.
Meet the man trying to make one of rising Asia's biggest cities work.
Scientists investigate a mystery crater that opened on Siberia's Yamal Peninsula this past summer.
The Leonid meteor shower will put on a show of shooting stars Sunday night into Monday morning.
As the number of fish traps in South Africa's protected Kosi Bay increases and commercial interests intrude, fish populations are in jeopardy.
Astronomers capture the brilliant glow of a dying star, ice on Mars begins to crack, and a supermassive black hole belts out exotic particles in this week's best space pictures.
From retired military aircraft to DIY jobs, drones are on the front lines of wildlife conservation around the world.
From the baby-delivering stork to the sacrificial lamb, people ascribe magical or religious qualities to animals.
Treatment for autism may one day come in the form of a probiotic - live, 'friendly' bacteria like those found in yogurt.
Technology yields new insight into how a Chinese emperor created an army for eternity within his tomb.
Swainson's warbler, a rare songbird, has weathered centuries of habitat loss and is now thriving in a surprising place: pine tree plantations in the southeastern U.S.
Climate change could have both good and bad effects on lightning across the continental U.S.
We can prevent birds from flying into windows with current technologies—experts say we just need the will.
Rosetta mission's lander finds itself toppled over in a cliff's shadow, its future as a science probe unclear.
The protected area is home to great hammerhead sharks, manta rays, whale sharks, and tiger sharks.
The inexperienced youngster likely lucked out when it escaped the pride of hungry predators, expert says.