Urban vehicle emissions are a critical contributor to atmospheric pollution, impacting air quality, public health, and climate systems. While exhaust emissions—such as nitrogen oxides (NOx), ...

As the American Southwest grapples with unnaturally sky-high temperatures wrought by a destructive “heat dome,” scientists say carbon dioxide — a polluting greenhouse gas released by fossil fuels, ...

Recently, the rare scientific phenomenon received global attention after reports from Tehran in March 2026 indicated that residents observed ‘dark rain’ following airstrikes on oil storage facilities.

First direct evidence shows rocket reentries can release lithium into the upper atmosphere. Measurements by Robin Wing et al. confirm pollution from a Falcon 9 reentry in February 2025.

Carbon monoxide emissions from industrial production have serious consequences for human health and are a strong indicator of overall air pollution levels. Many countries aim to reduce their emissions ...

Add Yahoo as a preferred source to see more of our stories on Google. Image: Wikimedia Those dramatic fireballs streaking across European skies on February 19, 2025 weren’t just space debris—they were ...

Add Yahoo as a preferred source to see more of our stories on Google. The fireball created by the rocket's upper stage streaking across the sky, seen in a long-exposure image above Berlin (Gerd ...

A plume of upper-atmospheric lithium pollution observed in February 2025 has been attributed to the re-entry of a specific rocket stage. The results, published in Communications Earth & Environment, ...

In this interview conducted at Pittcon 2024 in San Diego, we spoke to Seth Lyman about atmospheric mercury, exploring innovative measurement techniques, and the environmental impact of mercury ...

China is cleaning up its sulfur pollution, but the drop in airborne particles is revealing additional warming that concerns scientists.

When part of a SpaceX rocket re-entered Earth's atmosphere exactly a year ago, it created a spectacuglar fireball that streaked across Europe's skies, delighting stargazers and sending a team of ...