What happens to opened wine — and how to know when it's gone bad

Wondering if that opened bottle of wine from a recent celebration is still good? An expert reveals how long different wines ...
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How long does wine last after opening?

Learn why that open bottle of Champagne goes bad much more quickly than Chardonnay or Cabernet Sauvignon. As much as we wish we could preserve the magic of our favorite bottles forever, wine has a ...