Not many mainstream publications are still reviewing #scifi books, but the Toronto Star still has some.
Newspapers and magazines have been cutting back on their book reviews for some time which means not a lot of science fiction gets noticed in mainstream publications.
The Toronto Star still has some capsule reviews every once in a while of notable books. Here are a few and some of them have Canadian connections. Amazingly, I actually own two of them : http://ow.ly/sHOxs