Liberating chimpanzees with soldiers at her side, performing surgeries in the wild, and demonizing ape-meat traders, Sheri Speede is helping change the way a nation looks at apes.
This week: Arctic sea ice may be gone in summer by 2040, no-pain disorder decoded, mammal may have glided before birds, wild new species discovered, and more.
Recent sightings of the ivory-bill—believed extinct for 50 years—have experts hopeful the species can make a comeback if its forest habitat gets better protection.
The Chinese river dolphin—nicknamed the "goddess of the Yangtze"—is "functionally extinct," scientists said after a vain six-week search for the animal.
Using a formula based more on observation than physics, researchers predict that sea level will jump as much as 55 inches (140 centimeters) above baseline levels by 2100.
If global warming continues unabated, melting ice could trigger a positive feedback loop that would cause sea ice to decline steadily for decades and then abruptly disappear.
The Gospel of Judas unveiled. A "lost world" of animals discovered. Explore these and other highlights of the year in nature, science, and exploration with our most popular news stories of 2006.
Replay the year in science, nature, and exploration with 2006's top ten videos, from the plight of African elephants to some of the animal kingdom's mightiest battles.
A deadly synergy between HIV and malaria appears to be fueling the spread of both diseases in Africa, where 4 million people die from the illnesses each year.
