Federal law does not require most food expiration dates. Learn how food date labels work and what really signals spoilage.

While some claim "use by," others claim "best by," making food expiration labels vague at best, misleading at worst. We look behind the labels.

Think the sniff test can protect you from foodborne illness? Not necessarily, when these items are involved.

Add Yahoo as a preferred source to see more of our stories on Google. Top of a tin can with the production date and expiration date stamped on it - Nancybelle Gonzaga Villarroya/Getty Images Have you ...

In the bustling aisles of a grocery store — amid fresh produce and neatly arranged shelves — exists a variety of food products, each with its own story and timeline. This silent countdown begins the ...

Expiration dates are common on almost every food item, including things that you wouldn't think would ever expire, such as salt and sugar. We've all purged our refrigerators of yogurts a few days past ...

A new California law designed to standardize food expiration labeling and reduce food waste will take effect starting July 1.