After a social media teaser last month, Costco announced it has extended hours of operation at its gas station locations.

Pumps are now open from 6 a.m. to 10 p.m., Monday through Friday. On the weekends, the pump times are 6 a.m. to 8:30 p.m. on ...

Bulk buyers and savvy shoppers flocked to Massachusetts' newest Costco outlet on Wednesday. The wholesale chain company ...