Environmental groups are decrying an executive order signed by President Donald Trump to expedite deep-sea mining for ores ...

The practice of deep-sea mining involves using heavy machinery to remove minerals and metals from the seabed, where they ...

Sen. Dale Patten says North Dakota is at the leading edge of rare earth mineral development in the United States.

The order seeks swift permits for mining nickel, cobalt and other minerals from the sea floor. Critics say it threatens both ocean life and global agreements.

President Donald Trump signed an executive order Thursday to expand US deep-sea mining for rare earth minerals in domestic ...