Galaxies and their dark-matter haloes have posed several challenges to the dark energy
plus cold dark matter (Λ CDM) cosmological model. These discrepancies between …

Galaxy groups are more than an intermediate scale between clusters and halos hosting
individual galaxies, they are crucial laboratories capable of testing a range of astrophysics …

We perform a comprehensive study of Milky Way (MW) satellite galaxies to constrain the
fundamental properties of dark matter (DM). This analysis fully incorporates inhomogeneities …

We present the Stage II results from the ongoing Satellites Around Galactic Analogs (SAGA)
Survey. Upon completion, the SAGA Survey will spectroscopically identify satellite galaxies …

We present the final sample of the Exploration of Local VolumE Satellites (ELVES) survey, a
survey of the dwarf satellites of a nearly volume-limited sample of Milky Way (MW)− like …

We describe a public data release of the FIRE-2 cosmological zoom-in simulations of galaxy
formation (available at http://flathub. flatironinstitute. org/fire) from the Feedback In Realistic …

We introduce a suite of cosmological volume simulations to study the evolution of galaxies
as part of the Feedback in Realistic Environments project. FIREbox, the principal simulation …

The star formation and gas content of satellite galaxies around the Milky Way (MW) and
Andromeda (M31) are depleted relative to more isolated galaxies in the Local Group (LG) at …

We present new spectroscopic observations of the diffuse Milky Way satellite galaxies Antlia
2 and Crater 2, taken as part of the Southern Stellar Stream Spectroscopic Survey (S 5). The …

We present an extended suite of the Auriga cosmological gravo-magnetohydrodynamical
'zoom-in'simulations of 40 Milky Way-mass haloes and 26 dwarf galaxy–mass haloes run …