  Gamma-ray Bursts are the most powerful objects in the Universe. Discovered in
the 1960's as brief flashes of gamma-radiation, we now know they emit across
the entire electromagnetic spectrum, are located in distant galaxies and
comprise two distinct populations, one of which may originate in the deaths of
massive stars. The launch of the Swift satellite in 2004 has brought a flurry
of new discoveries, advancing our understanding of these sources and the
galaxies that host them. We highlight a number of important results from the
Swift era thus far.
