UCLA researchers have launched a new network of air pollution monitors for northwest L.A. areas near the Palisades fire.

Experiments to realize the new definition of the kilogram will be carried out in vacuum. NIST has developed a magnetic suspension mass comparator to disseminate the new definition to air. This paper ...

The most humid spots in the Northeast as a heat wave intensified For 150 million people across the United States, humidity surged to levels higher than Miami late Monday. Maps show where.

Few Canadians know Air India bombing was country's worst mass murder: Poll The Angus Reid data found nine per cent of Canadians say they know a lot about the 1985 Air India bombing, while a third ...