Tracing asthma in Hutterite families has implications for all.
Climate change could bring grave water shortages to the American Southwest.
Scientists have reanalyzed a 6-million-year-old leg bone.
See how human activity is changing fire patterns around the world.
A new hypothesis of mountain growth challenges plate tectonics.
Satellites show severe deforestation in a rare monarch butterfly overwintering site.
New studies maintain that the tiny hominid is a distinct species.
What happens when rivers are allowed to flow on their own?
The most complete malaria risk map in 40 years will help focus treatment.
Most coral reefs are badly degraded, but Kingman Reef is the picture of health.