Michigan's heat wave this week will feel even warmer because of high humidity. Here's how the heat index works.

The Supreme Court on Monday ruled 5-4 that states can accept mail ballots after polls close in federal races, rejecting the Republican National Committee’s (RNC) push to defeat the practice. More ...

From cleaning waterers to avoiding afternoon handling, experts outline five essential management steps to mitigate the ...

The heat index shows how humidity makes hot days feel hotter, and why direct sun can push dangerous conditions even higher.

In a novel experiment at the University of Cincinnati, researchers recently isolated kissing bugs, fruit flies, mosquitoes ...

A heat advisory has been issued for the Houston and Galveston area between 11 a.m. Thursday and 10 p.m. Friday, with expected ...

Tendai Murasiranwa, a 42-year-old mushroom farmer in the leafy suburb Gunhill, Harare, is already up. He quickly jumps into ...

Heat waves do more than dry out vegetation that can easily burn. They also play a role in lightning strikes, particularly dry ...

Here are 2026's worst U.S. cities for mosquitoes. Plus, how climate change is extending where mosquitoes can make home.

Houstonians have usually endured weeks of sticky 90-degree heat and made their first complaints about electric bills by the time the first day of summer arrives (whenever that may be). Elsewhere in ...

Feels like' temperatures are just another name for the heat index. Here's how to understand the calculations as temperatures and humidity soar.

President Trump’s tariffs on Canada, China, and Mexico could upend U.S. trade. These nine charts show what’s at stake, what comes next, and why it matters. Nearly half of all U.S. imports—more than $1 ...