Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air due to drifting smoke from Canadian wildfires, ...

A study puts the spotlight on Texas as the leading U.S. state by far for flood-related deaths, with more than 1,000 of them ...

The deadly flash flooding in Texas on July 4, 2025, and destructive flash floods a week later in states including New Mexico, Vermont and Iowa are raising questions about the nation’s flood maps and ...

We’ve all suspected that humans arrived in the Americas much earlier than was long thought by the researchers and historians. The ancient footprints scattered along the dried up lakebed of Lake Otero ...

A University of Arizona researcher is part of an effort to identify the diseases carried by ticks, and she's asking people to send her samples.

FLAGSTAFF, Ariz. (AP) — A resident of northern Arizona has died from pneumonic plague, health officials said Friday. Plague ...

Multiple states bordering Canada could feel the greatest impact of a 35 percent tariff on Canadian products starting August 1 ...

The map shows the ports of entry affected by the U.S. Agriculture Department’s announcement and the approximate locations of ...

At least in the short term, the tropics should remain quiet, according to both the National Hurricane Center and AccuWeather.

President Donald Trump has launched a wave of Section 232 tariffs and investigations, seeking to protect U.S. national ...

More than half of Utah is now in severe drought, but it is far from the only Western state experiencing dry conditions. Utah ...