Indonesia widens danger zone around island volcano

Indonesia raised the danger level for an island volcano that triggered a tsunami on the weekend, killing at least 430 people in Sumatra and Java, and widened its no-go zone.

Why Tehran is sinking dangerously

Iran has a water problem. The reserves in many groundwater basins there have been severely depleted. For the last 40 years, the country has invested a lot in the agricultural sector, and has been striving to be independent ...

New research unveils bird migration strategies

Using weather surveillance radar and citizen-science data, researchers are learning how migratory birds return to their breeding grounds in North America each spring with near-pinpoint accuracy. The research focuses on the ...

Vintage film offers new insights about Antarctica

Fifty years ago, a team of scientists crisscrossed Antarctica by plane, collecting radar images of the ice sheets. Now, a multi-continent effort to digitize and analyze that old data – with an assist from Hollywood – ...

Predicting eruptions using satellites and math

Volcanologists are beginning to use satellite measurements and mathematical methods to forecast eruptions and to better understand how volcanoes work, shows a new article in Frontiers in Earth Science.

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