Abstract: The aggregation of heterogeneous and flexible distributed energy resources on the demand side by virtual power plants (VPPs) to provide frequency regulation for power systems has emerged as ...

Basic training, which often involves getting yelled at and having your head shaved, is typically not a fun experience for military recruits. But now getting there is less of a hassle. The Defense ...

AL-HOL, Syria (AP) — Basic services at a camp in northeast Syria holding thousands of women and children linked to the Islamic State group are returning to normal after government forces captured the ...

The last treaty between the U.S. and Russia that limited the number of deployable nuclear weapons expired on Thursday, marking the end of decades of arms control agreements between the two countries ...