Land bulge clue to aviation threat from volcanoes

Bulging in land that occurs before a volcano erupts points to how much ash will be spewed into the sky, providing a useful early warning for aviation, geologists in Iceland said on Sunday.

Magma is the key to the moon's makeup

For more than a century, scientists have squabbled over how the Earth's moon formed. But researchers at Yale and in Japan say they may have the answer.

Here is the oil in the gulf? Researcher takes a look

A Florida State University researcher and his team have developed a comprehensive analysis of oil in the Gulf of Mexico and determined how much of it occurs naturally and how much came from the 2010 Deepwater Horizon spill.

Rising risk of major quake in Chile: study

Central Chile faces increased risk of a very large earthquake close to the site of last February's 8.8-magnitude temblor that killed 520 people and cost 30 billion dollars, scientists said on Sunday.

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