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 …

Radiation, winds, and jets from the active nucleus of a massive galaxy can interact with its
interstellar medium, and this can lead to ejection or heating of the gas. This terminates star …

We present the first full release of a survey of the 150 MHz radio sky, observed with the Giant
Metrewave Radio Telescope (GMRT) between April 2010 and March 2012 as part of the …

Over the past decade, observations of the cool interstellar medium (ISM) in distant galaxies
via molecular and atomic fine structure line (FSL) emission have gone from a curious look …

The study of galaxy protoclusters is beginning to fill in unknown details of the important
phase of the assembly of clusters and cluster galaxies. This review describes the current …

LOFAR, the LOw-Frequency ARray, is a new-generation radio interferometer constructed in
the north of the Netherlands and across europe. Utilizing a novel phased-array design …

We report the discovery of a remarkable concentration of massive galaxies with extended X-
ray emission at z spec= 2.506, which contains 11 massive (M*≳ 10 11 M⊙) galaxies in the …

Motivated by the discovery of rare enormous Lyman α nebulae (ELAN) around z∼ 2
quasars, we initiated a long-term campaign with the MUSE/VLT instrument to directly …

Massive galaxy clusters have been found that date to times as early as three billion years
after the Big Bang, containing stars that formed at even earlier epochs,–. The high-redshift …

Context. The z∼ 0.1 type-2 QSO J1430+ 1339, known as the “Teacup”, is a complex galaxy
showing a loop of ionised gas∼ 10 kpc in diameter, co-spatial radio bubbles, a compact (∼ …