You’ve heard the phrase too many times to count: “Once in a blue moon.” But what is a blue moon, exactly? (Hint: The moon doesn’t actually turn blue, unfortunately.) Despite the misleading name, blue ...

This JetBlue fare is as basic as it gets, but holding Mosaic status could mitigate its toughest restrictions. This page includes information about these cards, currently unavailable on NerdWallet. The ...

JetBlue's standard economy fare gets you a free carry-on, seat selection, and no change or cancellation fees. This page includes information about these cards, currently unavailable on NerdWallet. The ...

Between a once-in-a-lifetime comet and a near-miss with an extremely close asteroid, 2020 has been a strange year for outer space. And October is no exception, bringing a rare blue moon just in time ...