Some things have gotten cheaper, even in an era of high prices. What are those things? We've been tracking them at a Walmart ...

Walmart has been awarded a patent illustrating ‘disc-shaped’ robots that use sensors and cameras to transport and navigate shopping carts throughout stores. This application comes two months ...

LIBERTY COUNTY, Ga. — Ask almost any shopper outside this sprawling Walmart southeast of Savannah, and they'll tell you about ...