Almost every home in the United States has a bag of coffee sitting on the pantry shelves. But, unless you’re a coffee fanatic, gulping down a few pots per day, you may be wondering if those grounds or beans sitting in the cupboard are going bad. Well, the answer isn’t as simple as you might think. There are a few key ways you can determine how long coffee stays fresh, what causes coffee to go bad and how you can make it last as long as possible. So, let’s answer the question – does coffee ever go bad?