The Environmental Protection Agency has begun the cleanup of uranium mine waste in the Lukachukai Mountains near Four Corners ...

The U.S. EPA has started the long-awaited cleanup of Cold War-era uranium mine sites at a Superfund site on the Navajo Nation ...

Navajo leaders welcomed the announcement at the time, but they also urged the federal government to follow through with ...

For decades, thousands of sites associated with abandoned uranium mine waste have remained contaminated — many on or near ...

The EPA will begin work to remove more than 1 million cubic yards of radioactive waste from sites on the Navajo Nation.

Investigators said the victims were 16-year-old Zariah Dodd and her unborn daughter. She was about 22 weeks pregnant. Multiple breaks-ins around the state are being caught on cameras. But there are ...

Bipartisan senators on Wednesday reintroduced legislation to permanently authorize an EPA office to coordinate the cleanup of thousands of abandoned hardrock mines across the nation. Sens. Mark Kelly ...

From a gold mine hidden deep within the Superstition Mountains to a wailing widow, Arizona has its fair share of spooky hiking trails. A trail you've probably never heard of is the Clay Mine Trail at ...