Two strong earthquakes rock southern Philippines

Two strong earthquakes jolted the southern Philippines on Tuesday, authorities said, with the second damaging buildings and forcing the evacuation of hundreds of villagers from their homes.

How climate change reduced the flow of the Colorado River

The massive Colorado River, which provides water for seven US states, has seen its flow reduced by 20 percent over the course of a century—and more than half of that loss is due to climate change, according to new research ...

Geologists map rocks to soak CO2 from air

A new report by scientists at Columbia University's Earth Institute and the US Geological Survey points to an abundant supply of carbon-trapping rock in the US that could be used to help stabilize global warming.

China suspect in US satellite interference: report

NASA satellites were interfered with four separate times in 2007 and 2008, possibly by the Chinese military, according to a draft of an upcoming report for the US Congress.

Disappearing homing pigeon mystery solved

Homing pigeons are usually remarkably efficient navigators, however, on rare occasions, things go drastically wrong. So, when Jon Hagstrum of the US Geological Survey read in his local newspaper about two races when pigeons ...

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