Often described as “uncontacted,” isolated groups living deep in the South American forest resist the ways of the modern world—at least for now
After all but disappearing, the mammals are again being sighted in Washington's Cascade Range
Scientists have discovered that the massive mammal uses elaborate buzzes, clicks and squeaks that spell doom for the animal's prey
Smithsonian researchers join an international effort to bring the five-foot-tall bird back from the brink of extinction
High in the Himalayas, the Tibetan bunting is getting help from a very special friend
A bold plan for wildlife corridors that connect populations from Mexico to Argentina could mean the big cat's salvation
Marine biologist Mary Hagedorn has learned to freeze and reanimate coral cells
Could the California sea otters' peculiar dietary habits be impeding their resurgence?
Biologists scale city trees to bag a surprisingly urban species, the Cooper's Hawk
Can scientists stop white-nose syndrome, a new disease that is killing bats in catastrophic numbers?
Rare cranes have flourished in the world's unlikeliest sanctuary, the heavily mined demilitarized zone between North and South Korea
Biologist George Schaller on the debate over ANWR conservation and why the refuge must be saved
A 150-mile fence in the Kalahari Desert appeared to threaten Africa's zebras, but now researchers can breathe a sigh of relief
Birute Mary Galdikas has devoted her life to saving the great ape. But the orangutan faces its greatest threat yet
Scientists are just beginning to grasp how profoundly oil from the Deepwater Horizon spill has devastated the region
Citizen scientists on a sharp learning curve are carrying out an important census in fields and gardens across the country
From old-world primates to patch-nosed salamanders, new creatures are being discovered every day
For scientists in a remote corner of coastal North Carolina, ignoring global warming is not an option
Burrowing owls can thrive amid agricultural development and urbanization—so why are they imperiled?
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