
Wildfire ‘red flag’ warnings are in effect for large chunks of the U.S. Here’s what to know
These wildfire warnings are in place up and down the country, from Texas to North Dakota and Minnesota

Wildfire ‘red flag’ warnings are in effect for large chunks of the U.S. Here’s what to know
These wildfire warnings are in place up and down the country, from Texas to North Dakota and Minnesota

Here’s what stops huge earthquakes in their tracks
When an earthquake rupturing along a fault hits a barrier, it creates a seismic signature called the “stopping phase.” Scientists have isolated this and could use it to better predict earthquake risk


A volcanic mystery reveals that rising magma has a stealth mode
In 2022 a swarm of earthquakes in the Azores suggested that an eruption was imminent, but none happened. Now we know why, and it means magma can be sneakier than we knew

Half of New York City’s population is at risk of ‘extreme’ flood damage
While New York City leads in terms of the absolute number of people threatened by flood, more than 98 percent of New Orleans’ population is at risk, according to a new study

Plants can ‘hear’ rain coming, spurring them into action
Even before water reaches them, the sound of droplets triggers germination in rice plants

Earth Day in the Artemis era: Can NASA’s moon missions spur a new environmental movement?
Fresh takes on Apollo’s famous “Earthrise” and “Blue Marble” images showed off our planet’s beauty just weeks before Earth Day

Whatever happened to the ozone hole, acid rain and DDT?
The environmental crises of the past often seem to disappear—have problems like acid rain and smog been solved?

Amid climate doom, here’s an Earth Day reminder about spectacular environmental wins
This Earth Day three environmental experts share stories about times when environmental action succeeded in saving the planet—and explain why this can be done again

Risk of ‘megaquake’ in Japan higher after powerful earthquake strikes
After a magnitude 7.7 earthquake struck off the coast of Japan and set off tsunami warnings, there’s an elevated risk of a “megaquake” following in its wake

Here’s what happens when you give salmon cocaine
It turns out that salmon exposed to cocaine through water pollution do a lot of swimming—which may not be a good thing

‘Cocaine hippos,’ faster aging with HIV and the hidden dangers of inflammation
“Cocaine hippos,” underground bees, and fresh insights into aging and heart health

The mystery of how and when the Grand Canyon formed gets a new clue
A new study suggests a proto–Colorado River filled a large basin before spilling westward to set the Grand Canyon’s modern path