New emissions standards would fuel shift from coal to natural gas

Tougher EPA air-quality standards could spur an increased shift away from coal and toward natural gas for electricity generation, according to a new Duke University study. Complying with stricter regulations on sulfur dioxide, ...

Can we spot volcanoes on alien worlds? Astronomers say yes

Volcanoes display the awesome power of Nature like few other events. Earlier this year, ash from an Icelandic volcano disrupted air travel throughout much of northern Europe. Yet this recent eruption pales next to the fury ...

Philippine volcano calming; thousands head home

(AP) -- Thousands of villagers evacuated from near the Philippines' most active volcano headed home Saturday after scientists said the rumbling mountain was showing signs it was calming down.

Rich Ore Deposits Linked to Ancient Atmosphere

(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...

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