Satellite-to-phones service provider AST SpaceMobile announced a partnership with Verizon on Wednesday, adding to the company's recent deal with AT&T to provide remote coverage across the United States.AST SpaceMobile is building satellites to provide broadband service to unmodified smartphones, in the nascent "direct-to-device" communications market.The company's chairman and CEO, Abel Avellan, touted AST's agreements with Verizon and AT&T as "essentially eliminating dead zones and empowering remote areas ...