As the war grinds on, sophisticated Russian defenses have pushed Ukraine to develop a frightening new weapon: semiautonomous killing machines.

Charged with determining if the ionosphere could be penetrated by radar, Lt. Col. John DeWitt of the Army Signal Corps ...

The Manitowoc County Sheriff’s Office is investigating after a 17-year-old girl from Sheboygan was killed in a crash on Saturday. Appleton’s school board is expected to choose between a $13 million or ...

Artistic illustration of a lithium niobate photonic chip being used as a millimetre-wave radar for a car, providing information about the distance and velocity of a neighbouring vehicle.