This is all part of the plan: ‘Design for Demise’ is a standard concept for making satellites that break apart upon reentry, ...

Updated global data show wildfire smoke pollution is higher than past estimates, with implications for air quality and ...

From Deng Xiaoping to Xi Jinping, generations of Communist Party bosses and military leaders invested in a strategic but ...

Earth is taking in more energy than it releases back to space—a growing "energy imbalance" that is fueling global warming. A ...

Researchers explain how nitrate from farming and fish ponds moves through water and pollutes freshwater lakes.

Earth is absorbing more heat than it releases, and new research suggests changing clouds, not cleaner air, are driving the ...

Low Earth orbit is filling up fast, and the industry’s default response has been to treat satellites as disposable hardware ...

Climate change is making air quality worse in many parts of the world. Rising temperatures increase ground-level ozone and ...

Ten years ago, there were about 1,200 satellites in orbit around the earth. Now there are about 12,000 and the numbers are ...

Light pollution is reshaping ecosystems and human health. Discover how dark-sky initiatives protect nocturnal ecology and ...

The world’s democracies cannot depend on the most powerful authoritarian state — and an increasingly aggressive one — for ...

“The recent Nature paper by Borlaff, Marcum and Howell raises important concerns about our ability to continue gathering ...