Imagine falling feet-first toward a black hole. At first, if the black hole were isolated and you began far enough away, the experience would not feel supernatural. You would be in free fall. There is no invisible cosmic hand suddenly grabb...
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The James Webb Space Telescope is often introduced through spectacular pictures: glowing stellar nurseries, delicate shells of gas, galaxies from the young universe and strange worlds orbiti...
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Look up on a clear night and the most obvious feature of the universe is not the stars. It is the darkness between them. That darkness seems perfectly ordinary, yet for centuries it posed a...
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