Federal officials investigating the deadly West Texas collision between at Union Pacific train and a tractor-trailer hauling a wind turbine base are trying to determine why the tractor-trailer was stopped on the tracks.

Authorities say two Union Pacific employees were killed and three people were injured when a freight train collided with a tractor-trailer and derailed in a small West Texas city.

American farmers are hoping that aid to agriculture will be revived as Congress struggles to avert a looming partial government shutdown.

Inclement weather has plagued areas of the U.S. in the first half of the weekend, with dangerous conditions including heavy snow, a major ice storm and unsual tornado activity.

A major ice storm created treacherous driving conditions across Iowa and eastern Nebraska this weekend and prompted temporary closures of Interstate 80 after numerous cars and trucks slid off the road.

Freezing rain is expected in parts of the U.S. Midwest, especially Iowa.

North Dakota regulators approve permits for underground storage of carbon dioxide for a massive Midwestern pipeline.

A North Dakota panel will consider whether to approve permits for underground storage of carbon dioxide that a proposed pipeline would carry from ethanol plants throughout the Midwest.