Over the past few months, signs of unrest at the 11,070-foot (3,374-meter) volcano near Anchorage have gradually decreased, according to the Alaska Volcano Observatory, which added that no ground ...

Scientists link a magnitude 6.5 earthquake that shook Humboldt Bay, California, 71 years ago to the "locked" Cascadia ...

USA TODAY reported on the volcano in May, and not much has changed since then, other than a slight decline in some of the ...

The Diablo Canyon nuclear plant is in the midst of a relicensing process that, if successful, will keep it running for ...