Can traffic fumes go to your head? Ultra-fine particles of metal in exhaust gases fly up our noses and travel into our brains, where they…

Toxic magnetic nanoparticles from air pollution have been discovered in "abundant" quantities in human brains, according to a new study. The study, published Monday in the Proceedings…

Neuroscientists at the University of Pittsburgh have identified the neural networks that connect the cerebral cortex to the adrenal medulla, which is responsible for the…

It's no secret that we have trashed, poisoned, and warmed oceans at an unprecedented rate via human-caused climate change and pollution. It seems that oceans may…

Climate-related disasters heighten the risk of conflict around the world, according to new research. Armed violence is likely to rise amid drought, heatwaves, and other…

A new study has yielded a radically different picture of aging in America, finding that how old you are plays little or no role in…

Zero-tolerance policies are ineffective in combating bullying, an independent government advisory group says in urging schools to take a more preventative approach that includes teaching…

BLOOMINGTON, Ind. -- Earth could contain nearly 1 trillion species, with only one-thousandth of 1 percent now identified, according to a study from biologists at…

Increasingly science agrees with the poetry of direct human experience:  we are more than the atoms and molecules that make up our bodies, but beings…

The rewards of being right about climate change are bittersweet. James Hansen should know this better than most — he warned of this whole thing…

Sea-level rise may be the most predictable outcome of climate change. Expanding warmer waters and melting land ice both contribute to flooding – and scientists…

U.S. coastal communities, home to more than 13 million people, are at risk of being completely flooded by rising sea levels within the century under…