Union Pacific has always been on the cutting edge of locomotive technology. In the 1950s, it became the only railroad ever to place a fleet of gas turbine-electric locomotives into regular mainline ...

Keith Aldrich uses a plasma cutter to remove rust from the Union Pacific Super Turbine Locomotive #26 outside Union Station on Thursday, June 27, 2019, in Ogden. The historic locomotive is one of only ...

Indian Railways is considering whether to use the Kaveri engine, developed by Defence Research & Development Organisation’s Gas Turbine Research Establishment in Bengaluru (its marine derivative) or a ...

We are at a critical time and supporting science journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen scientific ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

There are steam locomotives, and then there’s “Big Boy.” At 604 tons and 132 feet long and with a 4-8-8-4-wheel arrangement, it is the largest, most powerful steam locomotive in the world. Twenty-five ...