Astrophysicist Dr. Paul Sutter spoke with NBC News' Gadi Schwartz on the spectacular atmospheric event that a SpaceX rocket ...

You might think that explaining why the sky is blue would be kind of simple. But even a brief explanation of it requires a lot of science. The colors of everything you see are produced in ...

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As for that new color option, sky blue, it replaces space gray. Starlight, silver, and midnight are still around from last year (and midnight is unchanged, so expect some fingerprint smudginess).