Europe's physics lab CERN on Thursday said private donors had pledged $1 billion towards the construction of a new particle ...

Forecasters have issued a Code Orange air quality alert for five counties in southcentral Pennsylvania through Sunday, as a cold front moving through the area is expected to bring elevated levels of ...

Scientists announced on Wednesday that they have found no evidence for the hypothetical “sterile neutrino,” an extra version of the ghostly neutrino particles that are ubiquitous in the universe. The ...