The train that derailed in East Palestine, Ohio, on Feb. 3 was filled with several hazardous chemical compounds, documents from the railway company show — including the residue of one that is known ...

Days after crews released and burned toxic chemicals transported by a wrecked train in Ohio, residents remain concerned about the toxic substances that could be lingering in their evacuated ...

This photo taken with a drone shows portions of a Norfolk and Southern freight train that derailed Friday night in East Palestine, Ohio. Gene J. Puskar Associated Press A train carrying vinyl chloride ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

PITTSBURGH — On the campus of the University of Pittsburgh, you'll find the nation's preeminent lab for exclusively studying vinyl chloride, where leading expert Dr. Juliane Beier has serious concerns ...