
This July 4 is going to be dangerously hot for the East Coast. Here’s what to know
A prolonged, intense heat wave will make temperatures feel as hot as 115 degrees Fahrenheit in the eastern U.S. this week

This July 4 is going to be dangerously hot for the East Coast. Here’s what to know
A prolonged, intense heat wave will make temperatures feel as hot as 115 degrees Fahrenheit in the eastern U.S. this week

France just hit its hottest day ever recorded
Scorching temperatures across France rose to a record-breaking average 30 degrees on Wednesday


Extreme heat is muddling animals’ brains—and even triggering aggression
As temperatures rise, some creatures pick fights while others struggle to learn

Got a tick bite? Here’s what to do—and what not to do
Knowing what kind of tick bit you and where you got it can help inform next steps

Celebrate Father’s Day with seven whimsical and weird animal dads
From tiny hamsters to giant salamanders, here are some of the most unusual examples of fatherhood across the animal kingdom

The Reflecting Pool turned green. Killing the algae may not fix it
The Trump administration wanted the surface of the Lincoln Memorial Reflecting Pool to be “American flag blue.” A water-treatment expert explains why the pool is still algal green and why the bloom could keep coming back

Japan’s 2011 earthquake was so powerful that it shifted the entire country’s location
This “extraordinary” event was likely caused by seismic waves bouncing off Earth’s core, researchers found

Trump administration reverses course on plan to dismantle ocean monitoring network
The effort to pull some 900 ocean-monitoring buoys and sensors from the water drew backlash from scientists and lawmakers

The first Atlantic tropical storm of 2026 is here—and it used to be a Pacific cyclone
Tropical Storm Arthur is the first named storm of the Atlantic hurricane season and will bring heavy rains and potential flash flooding to the Southeast

Allie Balter-Kennedy
Exploring ice cores to foresee the effects of climate change

Colin Carlson
Explaining how climate change affects ecological diversity and human health

How we chose the 2026 Young American Scientists
Scientific American used expert recommendations and data analysis to identify 28 exceptional early-career researchers