Kilometers above the Earth’s surface, the ozone layer protects humanity and all life from the sun’s harmful ultraviolet rays. But in the troposphere, at ground level, this gas can wreak havoc on ...

People in the area were admitted to a local hospital after they complained of breathing problems, heaviness in chest and ...

Scientists know that streams and rivers can contribute significant quantities of greenhouse gases to the atmosphere. One way ...

So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...

Researchers develop a nickel catalyst that converts carbon dioxide to carbon monoxide with 99% selectivity by precisely ...

Astrophysicists at the University of Colorado's JILA, National Institute of Science and Technology, have conducted an ...

New research suggests “microlightning” exchanges among water droplets in Earth’s early atmosphere may have sparked the ...