Evan Bush

Among the effects predicted: drought in the Pacific Northwest, flooding risk in the South, more Pacific hurricanes, high ocean heat and visits from unusual fish and sharks.

A new study suggests an ancient version of plague most likely spread among family members in hunter-gatherer groups, with children thought to have been particularly vulnerable.

Much of the region had been dealing with a prolonged drought. Recent rainfall has eased that situation but could also prime some areas for flooding as Arthur moves through.

The forecast for Tropical Storm Arthur calls for up to 20 inches of rain in some areas. After hitting the Texas coast, it’s expected to douse parts of Louisiana, Mississippi, Georgia and Florida.

The forecast for Tropical Storm Arthur calls for up to 20 inches of rain in some areas. After hitting the Texas coast, it’s expected to douse parts of Louisiana, Mississippi, Georgia and Florida.

Although wildland firefighters are at high risk for smoke-related health issues, the U.S. Forest Service has been slow to offer protection. For decades, respirators were not allowed.

A cold front in the forecast will raise the fire risk in a region where drought has left vegetation dry and primed to burn.

The twin earthquakes occurred in a complex fault system that had likely been accumulating stress for more than two centuries, experts said.

Adding pressure, the Trump administration has told firefighting agencies to pursue a “full suppression” strategy, meaning agencies are expected to try to snuff out every wildfire by default rather than allowing some to burn when communities aren't at risk.

Multiple people who paddled the Colorado River have described symptoms including fever, chills, fatigue and fluid in their lungs.