Top officials of Cliffs Natural Resources on Thursday said they have successfully completed a two-week, full-scale test production of a new kind of taconite pellet that can be used to make directly ...

Tiny plastic pellets may soon be classified as hazardous cargo, as frequent spills are polluting oceans and harming wildlife.

Plastics are everywhere — from grocery store bags to water bottle packs. Each year, thousands of tons of plastic materials are made from tiny pellets. Testing pellets for defects is difficult, ...