Scientists revisit Canada’s Sudbury crater in light of new evidence from other planets that suggests an alternative postimpact history.
Hazards & Disasters
Posted inNews
Mining Ancient Texts Reveals Clues to Space Weather of Yore
Low-latitude sightings of colorful hues in the sky likely to have been auroras indicate powerful geomagnetic storms buffeted Earth when some old chronicles were written, researchers report.
Posted inResearch Spotlights
Ground Surveys Reveal Space Weather Risk to Spain’s Power Grid
A survey of bedrock conductivity across Spain improves predictions of how vulnerable the nation’s power grid is to solar storms.
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Plastic Waste Knows No Bounds
Despite the vastness of Earth’s oceans, human plastic pollution overwhelms even remote corners.
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Tornado Casualties Depend More on Storm Energy Than Population
National Weather Service data from nearly 900 tornadoes and a principle of economics reveal the relationship between storm energy, population, and casualty count.
Posted inResearch Spotlights
Faulty Assumptions Impair Earthquake Hazard Assessment in Italy
Along faults in the Central Apennine Mountains, weather and landslides may cause rock exposure that is mistakenly attributed to earthquakes.
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NOAA Officials Stress Hurricane Danger and Storm Safety
Agency scientists on a Hurricane Awareness Tour showcase NOAA research capabilities and warn that although winds can cause severe damage, the biggest killers are storm surges and inland flooding.
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Plague Bug May Have Lurked in Medieval England Between Outbreaks
A new analysis of climate records in England and Europe’s Low Countries suggests that the disease-causing bacterium persisted in rodents between recurrences in people.
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Ancient Methane Seeps Tell Tale of Sudden Warming
Newly discovered rock mounds left by ancient methane seeps give scientists clues that methane on ancient ocean floor was released by ancient global warming.
Posted inResearch Spotlights
Catching Glimpses of Centuries-Old Earthquakes
Researchers in the western United States survey the earthquakes that have torn up California for the past millennium.