
Tropical Storm Lala nears Hawaii as forecasters expect it to strengthen into a hurricane
Hawaii rarely sees direct hurricane hits—if Lala strengthens, it will be just the third recorded hurricane to make landfall there

Tropical Storm Lala nears Hawaii as forecasters expect it to strengthen into a hurricane
Hawaii rarely sees direct hurricane hits—if Lala strengthens, it will be just the third recorded hurricane to make landfall there

Why 14 inches of rain fell in Japan in just one day
This extreme rain was deadly, with at least eight people killed and many others stranded


Rare Tropical Storm Lala on course for Hawaii, with hurricane conditions possible
This storm, a rarity for this part of the Pacific, is expected to bring heavy rains, strong wind and possibly “life-threatening flooding” to Hawaii this weekend

World ocean temperatures hit extreme new record for July
July also saw its second-highest air temperatures on record this year

Urban landscapes can boost storms—or break them up
New work shows how different storm types are shifted by cities’ microclimates

Spectacular images reveal never-before-seen whirlpools on the sun
Strange whirlpools of plasma seen in the sharpest images ever captured of our star help explain the deep origins of Earth-threatening space weather and more

It’s 90 degrees in the Arctic right now
The Arctic is heating faster than the rest of the planet. New data illustrate how dire that is

Extreme heat is costing us hours of lost sleep
The U.S. has been pummeled with heat waves this summer. Here’s how hot overnight temperatures can get in the way of a good night’s rest—in three charts

A fire hose of dangerous pollution from wildfires blankets the northern U.S.
Smoke from northern Minnesota and western Ontario wildfires is pouring over the Great Lakes, mid-Atlantic and Northeast, bringing record levels of hazardous air pollution to major cities

Why corn isn’t entirely to blame for ‘corn sweat’
Corn has taken the heat for recent Midwest summer humidity—unjustly, according to corn experts

The science of why this summer has been so blistering hot
Record-breaking heat waves are beginning to blur together—here’s why and what’s making them so unbearable

The heat feels unbearable—here’s how to stay safe
A heat wave over the Fourth of July weekend could put millions at risk of heat-related illnesses. Here’s what to do to stay safe—and why you don’t just need to drink lots of water