Fires and agricultural soils can rival cars and factories in emitting chemicals that lead to ozone, making it hard to meet air quality standards.

Operators follow a 25-year rule: at this point, a satellite’s mission is deemed to have ended and it is lowered into the atmosphere where gravity and friction kicks in. While this helps clear space, ...

Two nearby explosive massive star deaths, or supernovas, may have triggered mass extinction events in Earth's distant past, ...

At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these super-powerful blasts ...

2024 — A new study has revealed significant progress in the drive to reduce levels in the atmosphere of chemicals that destroy Earth's ozone layer, confirming the success of historic regulations ...

Two of Earth’s five confirmed mass extinction events could have been caused by nearby supernova explosions stripping the ...

By taking two flakes of special materials that are just one atom thick and twisting them at high angles, researchers at the ...

Senior writer John Oehser answers your questions.

The Earth Institute was established in 1995 to advance our understanding of Earth science and apply that knowledge to decisions made by governments and businesses around the world. A world leader in ...