"Big Boy," a 1.2 million-pound locomotive, is back in Colorado after being restored to the world’s largest operating steam ...

The world's largest steam locomotive chugged through Colorado Thursday as part of its limited summer tour. Here are some of ...

When it comes to the most powerful engines in modern-day, you wouldn't be alone if your mind immediately went to the highly ...

Step into the world of iconic locomotives with a miniature Lego version of the legendary Union Pacific Big Boy, the largest steam locomotive ever built. In this tutorial, you’ll learn how to craft a ...

The Union Pacific steam locomotive Big Boy No. 4014 is seen Friday, July 19, 2024, in far western Weber County near Little Mountain on its way into Ogden.

OMAHA, Neb. — Union Pacific will spend more than $1 billion to upgrade 600 of its old diesel locomotives over the next three years and make them more efficient, but regulators still want it to ...

The world's largest operating steam locomotive - Union Pacific's Big Boy No. 4014-has rolled into Houston.It will be in the Bayou City on Oct. 6 through Oct. 7.

Billy Dennis, center-left, talks with his friend Marvin Thedford as they view Big Boy No. 4014, a Union Pacific steam locomotive, while it sits on display Saturday, Aug. 14, 2021, in downtown Fort ...

Union Pacific's 'Big Boy' No. 4014, world's largest steam locomotive, stopping in Kansas and Missouri for "Heartland of America Tour" ...