Emergency responders are standing down after they evacuated a commercial waste processing plant at the site of a former uranium enrichment plant in Tennessee.About 45 employees at Materials and Energy Corp. in Oak Ridge evacuated Monday morning after a...

Building the world’s first full-scale uranium enrichment factory _ a 45-acre monster that was the biggest industrial structure in the world at the time _ took 18 months amid the race for the first atomic bomb.Six decades later, federal authorities think...

The Americans have bested the Brits again _ this time in physics.In an accomplishment that promises to lead to new drugs, energy advances and other benefits, Tennessee’s Oak Ridge National Laboratory has become the world’s most powerful source of...