Federal regulators ordered Union Pacific to pay punitive damages of $150,000 to a worker who was fired after reporting a work ...

Union Pacific’s stock fell nearly 2% to $224.98 in premarket trading, while Norfolk Southern’s stock dipped more than 3% to $277.40.

Union Pacific said Tuesday it would buy smaller rival Norfolk Southern in an $85-billion deal to create the country's first coast-to-coast freight rail operator and reshape the movement of goods ...

Union Pacific and Norfolk Southern announce a landmark $85 billion merger to create America's first transcontinental railroad ...