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Monday, September 21, 2026 5:17 AM ET

Scientific American - Top Stories

The questions science may never answer

5 days ago

Why human language may be intertwined with fire

22 hours ago

Could brain-inspired computers run on the same amount of power as a human brain?

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AI is giving scientists more ideas than they can test

2 days ago

What does OpenAI's blockbuster Navier-Stokes proof mean for the real world?

2 days ago

See the first new species of cat discovered in more than a century-it's adorable

3 days ago

Cover Art Jigsaw: May 1946

20 hours ago

This is what an out-of-control measles outbreak looks like

2 days ago

What changing 'Lake Ontario' to 'Lake America' means for weather forecasts

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NASA's Nancy Grace Roman Telescope glimpses its first cosmic light

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The life and death of the sun

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It's Time to Stand Up for Science

1 month ago

Japan just hit a new longevity milestone

4 days ago

This dolphin terrifies fish until they puke-and then eats it

2 days ago

AI steals mathematicians' record for most complicated curve

4 days ago

October 2026 - Issue

5 days ago

Sign up for the New Issue Alert

4 months ago

How apple detectives solved the mystery of an ancient tree-and rewrote the history of fruit

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How heat makes it harder for students to learn

2 days ago

T. rex was as warm-blooded as humans, new study finds

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What if 'consciousness' isn't real?

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Listening to a forest before it changes forever

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It's official: The U.S. has weapons in space

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What your dog really thinks about the world

3 days ago

North Korea's nuclear tests have turned this mountain into an earthquake hot spot

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Does AGI mean what we think it means?

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What scents trigger childhood memories for you?

1 month ago

View all Discussions

4 months ago

Will we ever achieve immortality?

5 days ago

AI leaders want to slow frontier AI. Who will make sure they really do?

3 days ago

The hidden math that keeps your texts from turning to gibberish

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What science reveals about the reliability of eyewitness memory

3 days ago

Missing pages of priceless Henry VIII-era manuscript finally found

3 days ago

Parasitic worms aren't just a gut problem-they can infest the brain, too

6 days ago

Trump's surgeon general nominee praises MMR and hepatitis B vaccines at Senate hearing

4 days ago

Human 'mini brains' mesh with mouse minds to form active neural circuits

3 days ago

25 winners of math's 'Nobel Prize' decry the AI invasion of their discipline

6 days ago

25 YEARS AFTER 9/11, SURVIVORS ARE STILL GETTING SICK-HERE ARE THE NUMBERS

9 days ago

The Atlantic hurricane season just quietly broke a new weather record

9 days ago

Blood test shows promise in detecting pancreatic cancer early-a 'holy grail' for the field

4 days ago

AI insiders fear extinction. Security experts see a familiar fight

9 days ago

If AI can do math, what's the point of mathematicians?

9 days ago

The planet Mercury is shrinking far faster than we thought

10 days ago