Scientists have long opposed polar geoengineering. Some now believe it will be necessary.

Penguin Plunge and show support for Make-A-Wish Illinois, which is celebrating its 40th year of creating life-changing wishes for Illinois children with critical illnesses.

The nonprofit organization behind the community's annual Polar Fest celebration has more than 50 events planned between Feb. 6-22.

The life of one of the most remote grizzly bear populations in the world is being documented by the animals themselves, with ...