Science ❯ Astrophysics ❯ Galaxies

Milky Way

Galactic Center Sagittarius A* Dark Matter Halo Accretion Discs Thick Disk Gamma Ray Emission Gamma Ray Excess Photon Halo Star Systems Nearby Objects Gamma-ray Emission Gamma Ray Observations Gravitational Effects Supermassive Black Hole Cosmic Structures Galactic Halo Central Black Hole Sagittarius A Circumgalactic Medium Galactic Structures Formation of Planets Dark Matter

Breakthrough Listen Reports Candidate Millisecond Pulsar Near Sagittarius A*

Public data now enable independent checks of the 8.19‑millisecond signal.

Astronomer Reports 20 GeV Gamma-Ray Halo Consistent With Dark Matter in Fermi Data

Dead NASA Relay2 Satellite Emits Nanosecond Burst After Decades of Silence