Could the universe’s most elusive ingredient have finally betrayed its presence? Almost a century after the first indirect clues, a faint but striking glow, detected by NASA’s Fermi Gamma-ray Space ...

A new study says observations from the NASA Fermi space telescope suggest a halo of dark matter around the center of our galaxy, but more information is needed to confirm the result. When you purchase ...

NASA's Hubble Space Telescope captures the magnificent starry population of the Coma Cluster of galaxies, one of the densest known galaxy collections in the universe — and where the effect of dark ...

NASA’s IXPE identifies the source of X-rays in the black hole jet of galaxy 3C 84, confirming inverse Compton scattering and ...

In space, energetic neutrinos are usually paired with energetic gamma rays. Galaxy NGC 1068, however, emits strong neutrinos and weak gamma rays, which presents a puzzle for scientists to solve. A new ...

Has the universe’s most elusive substance finally betrayed its presence? A new analysis of fifteen years of data from NASA’s Fermi Gamma-ray Space Telescope has turned up a faint, spherical glow of ...

In the early 1930s, Swiss astronomer Fritz Zwicky observed galaxies in space moving faster than their mass should allow, prompting him to infer the presence of some invisible scaffolding—dark ...

"By reproducing relativistic plasma conditions in the lab, we can measure processes that shape the evolution of cosmic jets and better understand the origin of magnetic fields in intergalactic space." ...

Gamma-ray binaries represent one of the most dynamic and intriguing classes of high-energy astrophysical systems. These binaries typically consist of a massive star and a compact object – often a ...

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 ...

An international team of researchers, including the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), has used a mismatch between elementary particles and gamma rays ...