Fermi’s latest gamma-ray census highlights cosmic mysteries


Every three hours, NASA‘s Fermi Gamma-ray Space Telescope scans the entire sky and deepens its portrait of the high-energy universe. Every year, the satellite’s scientists reanalyze all of the data it has collected, exploiting updated…

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Notre Dame astrophysicists identify missing fuel for galactic star formation


The Milky Way will have the fuel to continue forming stars, thanks to massive clouds of ionized gas raining down from its halo and intergalactic space. This is the conclusion of a new study by…

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