Articles on Debris
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Rock-ice avalanches like the one which caused catastrophe in Nepal and Tibet (China) are not new. But warmer conditions make them more likely.
Rockets used to launch satellites fall back to Earth, and as their number grows, the risk faced by people living on the ground — or flying in airplanes — increases.
While climate change poses new threats to trees, it also creates new opportunities for us to work with trees as allies. We must not work against them.
Russia destroyed one of its old satellites during a successful test of an anti-satellite weapon. A space security expert explains what this weapon was and the dangers of the expanding debris field.
With the onset of spring come thunderstorms, and sometimes tornadoes. Learn how these systems form and why night tornadoes are especially deadly.
In response to mudslides that have killed at least 20 people in Southern California, a geologist calls for more resources to study and map landslide hazards so residents can understand the risks.
Green turtles are swallowing twice as much plastic as they were 25 years ago, according to a study from the University of…





