See Bluestonehenge, the newly discovered site that archaeologists say was likely a key stop on the journey to the afterworld—and to Stonehenge itself—for many Stone Age Britons.
They won't alter your mind, but the new glowing mushrooms make even scientists sound a bit psychedelic. Said one fungi expert, "When you look down at the ground, it's like looking up at the sky."
To help save South Australia's rare black-footed wallaby, researchers are taking joeys from the wild and placing them in surrogate pouches, encouraging wild moms to trigger "backup" pregnancies. Video.
Move over, T. rex, there's something leaner. A newfound dinosaur is nearly identical to the king of the Cretaceous—but a hundred times lighter and 40 million years older.
Why does Hierakonpolis, ancient Egypt's earliest city, contain tombs for baboons, elephants, cows, dogs, and cats? Archaeologists are uncovering answers.
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.