Researchers find a new genetic explanation for why some adults can digest milk.
A team of biologists is on a microbial mission around the world's oceans.
Should we conserve regions with higher numbers of species—or regions with more species variety?
An ongoing effort to reduce agricultural pollution in Florida's Everglades is seeing results.
Space Shuttle data will help conserve "invisible" waterways.
How does the bilingual brain control which language to speak?
Raising animals is more damaging than transportation.
Global warming is stressing populations.
By monitoring avian flu, scientists prepare for possible pandemics.
Can an urban waterway reclaim its historical ecological health?