TikTok and Montana faced off in federal court in a case filed by the video sharing app and five content creators who want the court to temporarily block the state's ban on the platform before it takes effect on Jan. 1.

Wildlife advocates are suing federal officials after they missed a deadline to decide if protections for wolves should be restored across the northern U.S. Rocky Mountains.

U.S. wildlife officials have agreed to keep species protections in place for Canada lynx.