The first of five large dam projects under consideration has been approved, despite environmental and social costs.

Recent studies implicate the immune system and a herpes virus as potential contributors to development of the disease.

More than three years have passed since federal health officials arrived in central Appalachia to assess an alarming outbreak ...

Workers are pushing to improve training and safety standards to help avoid falls, electrocution, and equipment failure.

Writers whose subject is the natural world, and the overwhelming changes that humans have inflicted upon it, grapple regularly with a maddening dilemma: how to convey that all hope is not lost, while ...

Can we predict the ebb and flow of infectious disease the way meteorologists predict the weather? The federal government has bet big on the concept with a new nationwide network called Insight Net, ...

In August, 1945, American pilots dropped newly engineered atomic bombs on two Japanese cities, evaporating tens of thousands of people in an instant, and killing many tens of thousands more in the ...

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Biostatistician Jeffrey Morris says effective dialogue requires an awareness of how politics shape a person's beliefs.