High-power lasers now create record-high numbers of electron-positron pairs, opening exciting opportunities to study extreme astrophysical processes, such as black holes and gamma-ray bursts.

Livestock farming produces large quantities of greenhouse gases, especially methane, which is particularly harmful to the climate.

North Carolina State University researchers used satellite imagery and field sensors to estimate worldwide changes in plant leaf growth due to global warming.

Air pollution is an existential threat to millions of Americans with asthma and other health issues. 

Using commercial, high-resolution satellite images and artificial intelligence, an international team including NASA scientists mapped almost 10 billion individual trees in Africa’s drylands in order to assess the amount of carbon stored outside of the continent’s dense tropical forests. 

Two banned insecticides known to linger in the atmosphere have been all but eliminated from North America’s Great Lakes region, a study finds.

High in a narrow, seawater-filled crevasse in the base of Antarctica’s largest ice shelf, cameras on the remotely operated Icefin underwater vehicle relayed a sudden change in scenery.

A new study from Tulane University which compared popular diets on both nutritional quality and environmental impact found that the keto and paleo diets, as eaten by American adults, scored among the lowest on overall nutrition quality and were among the highest on carbon emissions.

Midwestern agriculture contributes the vast majority of nitrogen in the Gulf of Mexico, causing an oxygen-starved hypoxic zone and challenging coastal economies.

East Africa is much drier than other tropical land regions, including the Amazon and Congo rainforests.