Have you ever noticed on a calm and sunny day how haze begins to obscure the horizon? This is likely the result of smog, which is air pollution that becomes trapped in the lowest levels of the ...

The dwarf planet Pluto averages a distance of nearly 40 astronomical units from the Sun, or 40 times the distance between Earth and the Sun. That vast distance from our heat-giving star is responsible ...

WEST LAFAYETTE, Ind. – A research team from Purdue University and the University of California, San Diego has found that the Earth’s atmosphere may be more effective at cleansing itself of smog and ...

The effect of nitric acid on aerosol particles in the atmosphere may offer an explanation for the smog seen engulfing cities on frosty days. The effect of nitric acid on aerosol particles in the ...

Scientists have discovered a chemical reaction that may be responsible for producing some of the orange hydrocarbon haze on Saturn’s giant moon, Titan. Although Titan’s atmosphere is composed largely ...

These pollutants, intensified by temperature inversions in colder months, lead to severe respiratory and cardiovascular health risks. Smog’s effects are immediate and localized. In contrast, climate ...

WITHIN THE ORANGE HAZE shrouding Saturn's moon Titan lies a complex chemical environment, originating with N 2 and methane and powered by solar ultraviolet radiation and charged particles from ...

Listen to more stories on the Noa app. For nearly as long as Los Angeles has been a city, the sky above it has changed colors, for short and long spells, at times portending doom. It happened again ...