Amazon quietly ended its Blue Jay warehouse robot program just months after unveiling the multi-armed ceiling-mounted system designed to speed same-day deliveries in October.

Amazon’s recent push to integrate robots into its delivery operations marks a significant shift in how the company plans to enhance efficiency and reduce costs. The tech giant aims to replace 500,000 ...

More than 3,000 robots navigate the four-story fulfillment center in Kent, guided by new algorithms that are making them faster and more efficient.