A lowly rat likely brought down the Fukushima nuclear power plant's cooling system this week. ->
Documentary film maker Ian Thomas Ash reflects on the disaster that struck Japan two years ago. ->
After nearly two weeks stuck in tsunami-flooded rice field, a baby porpoise is returned to the ocean.
From corals to opossums - migrations are part of global change.
Both Japan and Haiti suffered major earthquakes, but the disasters -- and reactions -- are as different as night and day.
As the Supreme Court reviews the 2010 health care law, take a look at what kind of health coverage other countries offer.
Japan's 9.0 earthquake last year lubricated seismic faults and increased the chance that they will give way and rattle the region again.
The dangers in the aftermath of the earthquake may not be as bad as initially feared.
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