Gamma-ray bursts are brief flashes of gamma-ray radiation. First
detected in the 1960s, it is now known that they originate in distant
galaxies. The Swift satellite, launched in 2004, has revolutionised
our knowledge of gamma-ray bursts. In particular, it has allowed us
to locate the afterglows of short-duration gamma-ray bursts for the
first time. I will show some of these results and discuss implications for
the origins of short gamma-ray bursts. In particular, the discovery
of burst afterglows well outside their host galaxies may indicate that
some short gamma-ray bursts originate in globular clusters.
