  The NA57 experiment has measured the production of strange and multi-strange
hadrons in heavy-ion collisions at the CERN SPS. After briefly introducing the
NA57 apparatus and analysis procedures, we present recent results on
strangeness enhancement in Pb-Pb relative to p-Be collisions, on the study of
the m_T distributions of strange particles, and on central-to-peripheral
nuclear modification factors in Pb-Pb collisions at top SPS energy.
