At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars. NASA’s ...

For over a decade, a dim but persistent glow near the center of the Milky Way has confused astronomers. This mysterious emission, known as the Galactic Center Excess, glows in high-energy gamma rays ...

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Gamma-ray intensity map excluding components other than the halo, spanning approximately 100 degrees in the direction of the Galactic center. The horizontal gray bar in the central region corresponds ...

Nov. 26 (UPI) --More than 100 years after its existence was predicted, scientists report that they have, for the first time, seen dark matter. Scientists have been able to indirectly observe dark ...