The complaint, filed in Florida in late October on behalf of plaintiffs in Florida and beyond, alleges that Costco’s Kirkland ...

Costco faces a class action lawsuit over Kirkland Signature tequila after NMR testing allegedly detected non-agave alcohol, raising concerns about labeling accuracy and product quality.

Costco's famously generous return policy has long been part of the warehouse club's appeal, but it also creates a quiet ...

Costco is installing membership card scanners at its food courts, ending a loophole that allowed non-members to buy its ...

New perks for some Costco members have received a decidedly mixed reaction from customers, employees, and analysts.

The complaint says Costco’s actions were “immoral, unethical, oppressive, or unscrupulous” and caused “substantial injury to ...

When Costco fans began seeing sushi appear at their local warehouse club, they rejoiced. After all, Costco seems to carry just about everything else you can imagine. However, once customers began ...

Costco is sued concerning its Kirkland Signature tequila brand, raising questions about quality and labeling standards.