Rocket launches and satellite reentries are depositing metals and soot directly into Earth’s stratosphere, and a growing body of peer-reviewed research warns that these pollutants are altering the ...

Plans are afoot to launch large mega-constellations of AI data centers into Earth orbit. That ambition, pursued by multiple space industry leaders, coincides with a warning from scientists of ...

In the early 20th century, engineer Thomas Midgley Jr. helped create two innovations that would transform modern life—and later become some of the most damaging environmental mistakes in history. His ...

Scientists ran the numbers on nuclear war, and the results are far worse than anyone dared imagine. The planet itself ...

The Antarctic ozone hole closed early in 2025 after one of the shortest seasons in decades, reflecting long-term recovery of the ozone layer.

Launches have become an almost daily occurrence as companies and governments from around the world continue to build out ...

Rapid global space launches are littering Earth's atmosphere with metal aerosols, potentially altering the planet's natural defense mechanism and environmental chemistry.

Look up on a clear night and you'll see the streaks of our new space age. What you don't see is the growing fallout for the atmosphere that keeps us alive.

Scientists are deeply concerned about SpaceX's recent proposal to launch one million satellites into orbit around Earth. Their concerns range from a loss of the natural night sky and our access to ...

As the climate warms below, the edge of space is cooling down – and it could soon disrupt essential communication networks ...

Methane remains in the atmosphere for about 12 years, much shorter than carbon dioxide (COâ‚‚), but it is far more effective at trapping heat.

A photographer in California revealed a rare phenomenon during Tuesday's "blood moon" total lunar eclipse —a thin, bluish band across the red moon. Here's what it is.