Science
Signs of life on Saturn's moon Enceladus may be easier to spot
Two new studies show that its ice spray sorts ocean chemicals into separate grains, and that one kind of microbe can live in its ocean's conditions.
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space
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Science
Black hole jets reach 10 to 20 times past a galaxy's visible edge
Astronomers saw glowing gas far outside hundreds of galaxies, lined up with the jets of their central black holes.