Phase diagram showing the different properties of pyrochlore at different temperatures. In green is the spin liquid phase ...

The Department of Health and Human Services and the Food and Drug Administration announced on Tuesday a series of measures to phase out eight artificial food dyes.

Simmering tensions between the main partners on the French/German/Spanish project to develop a sixth-generation fighter were again evident during the Paris air show.

The House-passed bill includes a large tax cut, as well as more money for defense and immigration enforcement, financed in part by slashing health, nutrition, education and clean energy programs.