When a satellite is decommissioned in low-Earth orbit, operators will try to dispose of it by burning it up in Earth’s atmosphere. But the large metal objects don’t always entirely disintegrate, with ...

New Delhi ranks as the world's second most polluted city, after Lahore in neighbouring Pakistan, which blames India for the ...

PFAS are in Miami's rainwater. And it is the latest evidence the synthetic "forever chemicals"—that have raised health ...

The growing trend of astrotourism continues to draw new travellers to the wonders of the night sky in places where light ...

USC study reveals ammonium nitrate in air pollution affects children’s learning and memory. This compound penetrates deeply ...

Using satellite data, researchers find high levels of airborne toxins near large warehouses in Southern California.

India's national capital battles pollution each winter as cold air traps dust, emissions, and smoke from farm fires in the neighbouring states of Punjab and Haryana, with firecrackers exacerbating the ...

In 2024, the ozone hole over the Antarctic showed a notable reduction in size, ranking as the seventh smallest since ...

Space Forge is an in-orbit manufacturing startup developing large foldable heat shields that can survive the atmospheric ...

Recent studies and meta-analyses have investigated the impact of PM2.5 on asthma, yet findings remain inconsistent. Learn ...

Snow fell on Hawaii's tallest peak this week, briefly turning the mountaintop into a winter wonderland. The summit area of ...