A financial pivot at USPS could reshape last-mile delivery nationwide, raising tensions with its biggest private partner.

For years, a huge Amazon contract has been one of the few bright spots in the US Postal Service’s finances. But now the USPS plans to offer those last-mile services to additional customers to stem ...

The U.S. Postal Service's plan to raise cash by opening its distribution centers to other shipping companies could backfire, ...

The most important package contract in America is suddenly in play. Amazon's $6 billion shipping relationship with the U.S. Postal Service is at risk of being reshaped by a competitive auction, and ...