Add Yahoo as a preferred source to see more of our stories on Google. The Galactic Center Excess, shines in high-energy gamma rays that can’t be explained by ordinary astrophysical processes. Its ...

In the final moments before two neutron stars collide, their magnetic fields spiral into chaos, twisting and snapping as they ...

Using NASA's Fermi telescope, researchers have detected powerful gamma–ray radiation emerging from a 'halo–like' structure surrounding the Milky Way. Its frequency and intensity suggest that this ...

For nearly a century, scientists have been searching for direct evidence of dark matter—one of the key missing pieces of our theoretical understanding of the universe. While we have glimpsed the ...