The complexities of urban environments—like variable winds off tall buildings or surfaces—significantly impair the ability to detect natural gas leaks from underground pipelines, a new study shows.

Officials say natural gas is seeping through the ground from a transmission line leak near the Centreville home that reportedly exploded on Sunday, prompting evacuations of dozens of nearby houses.

The National Transportation Safety Board said the testing of pipeline infrastructure around a home in Centreville that ...

Federal investigators with the National Transportation Safety Board are expected to give an update Wednesday afternoon on the ...