For the first time, a photographer has walked alongside Wyoming pronghorn on their annual treks, documenting the modern obstacles endangering the ancient migration.
Global warming is putting the pika, a hamster-like mammal, in peril. High in the Colorado mountains, a National Geographic researcher is trying to find out why its numbers are falling. Video.
On foot, photographer Joe Riis provides an intimate window on one of North America's longest annual migrations, which is increasingly threatened by fences and highways. Video.
Two expeditions—including one that sets sail next week—will visit the Pacific Ocean's garbage patch this summer to call attention to millions of tons of plastic pollution.
The July, 22, 2009, total solar eclipse, the longest-lasting of the 21st century, darkened the skies over some of Asia's most densely populated regions.
Millions of people in densely populated regions from Shanghai to Bangladesh will be able to see the moon block out the sun for several minutes this Wednesday.
Special fog-catching nets that can pull hundreds of gallons a day out of the air are helping conservationists in Peru bring water to rain-starved communities.
From "fairytale" landscapes to gonad-eating wolffish, little-seen corners and creatures have come to light during the 114 photo missions of the Wild Wonders of Europe project.
The Taliban blew up Afghanistan's two known giant Buddhas in 2001, but is there a third? Archaeologist Zemaryalai Tarzi says yes, and he's determined to find it.
Sperm whales have been filmed "elegantly" stealing cod from fishers' lines in Alaska, giving scientists a rare opportunity to learn about how these deep-diving giants hunt.
