Partial human remains were found Monday near the Boston University sailing pavilion along the Charles River.
State police said the remains were found shortly after noon in the river.
"The origin of the partial remains is the subject of an ongoing investigation," state police said in a statement.
Police released no other information about the discovery, expect that there is no threat to the public.
"The public may be assured, however, that based on the investigation to date, the discovered remains do not indicate any ongoing threat to public safety," state police said.
Follow Michael Naughton on Twitter @metrobosmike.