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 …

The development of methods and algorithms to solve the N-body problem for classical,
collisionless, non-relativistic particles has made it possible to follow the growth and …

Among the most important goals in cosmology is detecting and quantifying small () dark
matter (DM) subhaloes. Current probes around the Milky Way (MW) are most sensitive to …

We analyse an N-body simulation of the interaction of the Milky Way (MW) with a Sagittarius-
like dSph (Sgr), looking for signatures which may be attributed to its orbital history in the …

We present a new set of high-resolution hydrodynamic cosmological zoom-in simulations
that apply the Feedback In Realistic Environments physics to both Local Group (LG)-like and …

We derive joint constraints on the warm dark matter (WDM) half-mode scale by combining
the analyses of a selection of astrophysical probes: strong gravitational lensing with …

The second data release from the Gaia mission (DR2) provides a comprehensive and
unprecedented picture of the motions of astronomical sources in the plane of the sky …

The satellite galaxies of the Milky Way (MW) are effective probes of the underlying dark
matter (DM) substructure, which is sensitive to the nature of the DM particle. In particular, a …

The total number and luminosity function of the population of dwarf galaxies of the Milky Way
(MW) provide important constraints on the nature of the dark matter and on the astrophysics …

While many tensions between Local Group (LG) satellite galaxies and Λ cold dark matter
cosmology have been alleviated through recent cosmological simulations, the spatial …