Warmer weather has finally reached the nation’s capital, but with it, there is lower air quality due to the thousands of ...

This map shows where Ottawa Riverkeeper collected water samples in the National Capital Region. It tested the smaller streams which feed into the larger Ottawa River because they wind through ...

OTTAWA, June 20 (Reuters) - A Canadian air force helicopter crashed into the Ottawa River early on Tuesday, killing two armed forces members and two others on board have been recovered and are in ...

This is the second part of a two-part series about filmmaker Jill Heinerth and her exploration of the Ottawa River caves in the Westmeath area. It is the longest underwater cave in Canada.