In a novel attempt to enforce a longstanding Minnesota rule protecting wild rice, the EPA is investigating U.S. Steel's ...

St. Paul writer Kao Kalia Yang, author of this year's "Where Rivers Part," "Caged," "The Diamond Explorer" and "The Rock in My Throat," is the Star Tribune's Artist of the Year.

As the first Native American Interior Secretary, Deb Haaland gave tribes a louder voice and helped heal a troubled past.

Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.

For decades, largescale engineering projects for development and agriculture drained and partitioned south Florida's ...