The U.S. Supreme Court ruled in 2001 that the boundary between the two states is the middle of the Piscataqua River.

NH lawmakers try to revive border battle over Naval Shipyard, seeking help from Trump. US Supreme Court ruled in Maine's ...

The project is expanding the yard’s Dry Dock 1 area so the shipyard ... a-half football fields upon completion, according to Portsmouth Naval Shipyard spokesperson Gary Hildreth.

After 30 years, clean-up at Portsmouth Naval Shipyard is officially complete. The Environmental Protection Agency said it is deleting the naval yard from its superfund list. The site was added in ...