Slush canons, snow bots, and possibly heat pumps could help preserve ice on Ottawa’s Rideau Canal as winters shrink.

It is a world cut off from our own by thick blankets of floating ice, but some scientists are taking the plunge to learn how these frozen depths are changing. There is a 70cm-thick (28in) layer of ...

Many ski resorts have seasonally open ice skating rinks, some of which are as world-class as the skiing. Once you're done ...