Mass migration to Chinese cities has likely decreased the total number of premature deaths caused by air pollution.
Hundreds of U.S. streams may have significant levels of endocrine-disrupting chemicals from treated wastewater.
Wetlands can form in overlooked spaces, and that might be a good thing.
NASA prepares to replace the twin satellites, named GRACE, that have monitored Earth's droughts, glacial retreats and sea level rise for the last 15 years.
Drilling reveals record from a time when the Dead Sea was deader.
Aerosol pollution may have suppressed global warming and increased Arctic sea ice from 1950-1975.
Scientists use cave spider populations to plot climate change and threats to species.
Commercially managed bumblebees and honey bees may be contributing to wild pollinator decline.
Finding may revise estimates of forests’ carbon-capturing prowess.