The Death of a Star

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Death,Astronomy,star,funny
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The comet-shaped structures surrounding NGC 2392 are created by faster wind and radiation from the central star interacting with cooler shells of dust and gas that have already been ejected.

Curiosity Finds Evidence That Mars Was Once Habitable!

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Astronomy,Mars,science,curiosity,biology
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This does NOT mean that anything ever actually lived there. But it is the first time that the ingredients for the evolution of microbial life, and the correct conditions to support it, have been directly observed beyond Earth. Mars still has water frozen at its poles, and once had quite a bit of water above and below the surface.