A portion of the Charles River is closed due to a toxic algae bloom in the water. Here are the areas to avoid.

A bloom of toxic blue-green algae was found in the Charles River near the Harvard Bridge on Thursday, prompting health officials to issue a health advisory urging residents and their pets to avoid the ...

The Charles River Watershed Association has spearheaded a campaign called 'Cut the Crap' to address the problem of sewage ...

The cyanobacteria bloom, also known as blue-green algae, can sicken people and animals who come in contact with it.

State officials warn people not to have contact with the waters of the Charles River in Boston, and to keep their pets away ...

Health officials say there is an elevated count of cyanobacteria, or blue-green algae, in the Charles River this weekend.

The body of a kayaker who went missing in the Fox River near St. Charles, Ill., earlier this week has been found, authorities ...

The Charles River Esplanade is a relatively recent creation. In 1908, the Charles River Dam was built. Previous to the dam's construction, the river was at the mercy of ocean tides.