If you compare historical photos of glaciers with those taken more recently, you can see that where there was formerly ice there is now very often nothing but rock.

A new study is shedding light on the importance of one critical resource for Andean bears living in the dry mountain forests of Peru: water. 

Climate change-induced melting will raise global sea levels for decades to come.

With a temperature sensor in hand, researchers can engineer crops that produce yields in warmer climates.

Scientists have long speculated that our planet’s climate system is intimately linked to the Earth’s celestial motions.

The beginnings of the mighty Colorado River on the west slope of Rocky Mountain National Park are humble. 

Sea level rise puts coastal areas at the forefront of the impacts of climate change, but new research shows they face other climate-related threats as well. 

The images shook the world: Ethiopian children dying of starvation as their emaciated parents looked on, victims of the food shortage and hunger crisis that struck the drought- and conflict-riddled nation from 1983 to 1985.

Heat trapped by greenhouse gases is raising ocean temperatures faster than previously thought, concludes an analysis of four recent ocean-heating observations.

While most developed countries have reduced the construction of large dams for the production of electricity in recent decades, developing countries, including Brazil, have embarked on even more massive hydropower developments.