Weak gravitational lensing of background galaxies provides a direct probe of the projected
matter distribution in and around galaxy clusters. Here, we present a self-contained …

We present the first joint analysis of cluster abundances and auto or cross-correlations of
three cosmic tracer fields: galaxy density, weak gravitational lensing shear, and cluster …

We present Symphony, a compilation of 262 cosmological, cold-dark-matter-only zoom-in
simulations spanning four decades of host halo mass, from 10 11–10 15 M⊙. This …

The non-linear dynamics of scalar fields coupled to matter and gravity can lead to
remarkable density-dependent screening effects. In this short review, we present the main …

In the outer regions of a galaxy cluster, galaxies either may be falling into the cluster for the
first time or have already passed through the cluster centre at some point in their past. To …

Non-gravitational interactions between dark matter particles with strong scattering, but
relatively small annihilation and dissipation, has been proposed to match various …

We use cosmological simulations of isolated Milky Way (MW)-mass galaxies, as well as
Local Group (LG) analogues, to define the 'edge'–a caustic manifested in a drop in density …

We search for signatures of cosmological shocks in gas pressure profiles of galaxy clusters
using the cluster catalogues from three surveys: the Dark Energy Survey (DES) Year 3, the …

Context. Weak gravitational lensing offers a powerful method to investigate the projected
matter density distribution within galaxy clusters, granting crucial insights into the broader …

The density profiles of dark matter haloes can potentially probe dynamics, fundamental
physics, and cosmology, but some of the most promising signals reside near or beyond the …