Bills in four states require state environmental regulations to show “direct causal link” to “manifest bodily harm,” not just increased risk of disease. Scientists say that’s all but impossible.

Alabama legislators are poised to approve a bill that opponents say would severely limit the ability of state regulators to ...

The University of Arizona is getting $30 million to amp-up its sound research. A new science and technology center funded by a five-year grant from the National Science Foundation, the New Frontiers ...