Maggie Street, center, of Raymond holds a sign among more than 1,000 protesters who flooded Congress Square Park during the March for Science.
A crowd of protesters stretches from Oak Street to City Hall during the March for Science on Congress Street.
About 1,000 protesters gathered in Congress Square Park after marching from City Hall.
Puppeteers from the Portland-based group Get Ready Weekly were among the marchers on Saturday's March for Science.
A crowd of protesters gets a police escort from City Hall to Congress Square Park during the March for Science.
Sarah McCann, aka Science Girl, of Salem, Mass., was among the protesters at the March for Science from City Hall to Congress Square Park.
Jennifer Gagner, one of the March for Science organizers, introduces Rep. Chellie Pingree from the stage at Congress Square Park.
Miranda Rampone of Portland sports a lab coat and protective eyewear during the March for Science.
Local & State 
