We review current understanding of the population of radio galaxies and radio-loud quasars
from an observational perspective, focusing on their large-scale structures and dynamics …

The central nuclei of galaxies, where supermassive black holes (SMBHs) are thought to
reside, can experience phases of activity when they become active galactic nuclei (AGNs) …

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Thanks to its broad energy range, excellent sensitivity, and all-sky monitoring capabilities,
the Fermi Gamma-ray Space Telescope Large Area Telescope (LAT) has revolutionized our …

The relative positions of the high and low surface brightness regions of radio-loud active
galaxies in the 3CR sample were found by Fanaroff and Riley to be correlated with their …

Radio-loud compact radio sources (CRSs) are characterised by morphological compactness
of the jet structure centred on the active nucleus of the galaxy. Most of the local elliptical …

Despite their relative sparseness, during the recent years it has become more and more
clear that extragalactic radio sources (both AGN and star-forming galaxies) constitute an …

Modern radio telescopes will generate, on a daily basis, data sets on the scale of exabytes
for systems like the Square Kilometre Array (SKA). Massive data sets are a source of …

Radio-loud active galaxies have two accretion modes [radiatively inefficient (RI) and
radiatively efficient (RE)], with distinct optical and infrared signatures, and two jet dynamical …

With the aim of exploring the properties of the class of FR 0 radio galaxies, we selected a
sample of 108 compact radio sources, called FR0CAT, by combining observations from the …