The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

When you unlock a phone, step into view of a security camera or drive past a license plate reader at night, beams of infrared light - invisible to the naked eye — shine onto the unique contours of ...

Washington — President Trump underwent "advanced imaging" of his abdomen and cardiovascular system for "preventative" reasons, the White House said Monday, one day after the president told reporters ...