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.
New analysis of hydrothermal plumes on Enceladus reveals the presence of conditions that could potentially sustain life underneath its icy surface.
Drilling reveals record from a time when the Dead Sea was deader.
Tiny bits of plastic pose threats to freshwater and marine ecosystems.
Grasses that survive on salty water and smart irrigation systems are among many new golf innovations.