Lululemon has filed a lawsuit against Costco, alleging that its Kirkland Signature brand is selling knockoff versions of the athleisure giant’s signature products at a fraction of the price. The ...

Some Costco shoppers dislike Kirkland Rotisserie Chicken, finding the seasoning unpalatable with a "distinct chemical taste," similar to cilantro's divisive effect—either loved or hated.

Thirty years ago, Costco launched a private label named Kirkland Signature that put a unique spin on the concept of shopping generic. The private label sold a wide range of high quality items, from ...

A major change is coming to Costco starting on Monday, June 30. But it is only for certain members!

Mission Viejo, California approves Costco's first-ever standalone gas station with 40 pumps replacing a former a Bed, Bath and Beyond store.

Shoppers in the higher-priced membership tier will be able to access the warehouse an hour earlier than Gold Star members from June 30, Costco said.

Costco has been testing checkout technology it hopes will speed up the checkout process, something members rank as one of their significant concerns with the warehouse retailer.