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Sunday, September 27, 2026 3:55 PM ET

Scientific American - Top Stories

The secret Cold War history of Tetris

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How a horse flu crisis fueled animals rights advocacy in the U.S.

1 day ago

How the body's own immune system can attack the brain

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Scientists just found a bizarre cosmic object 'hiding in plain sight'

2 days ago

2026 could be the turning point on climate action, Al Gore says

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

12 days ago

Cover Art Jigsaw: September 1975

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What's the point of the interstellar Fermi Explorer mission?

2 days ago

RFK, Jr., is focusing attention on electromagnetic fields. Here's what the science says about exposure

5 days ago

Why Hawaii is facing an unprecedented hurricane season

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Jupiter-bound spacecraft Juice to fly by Earth Monday

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It's Time to Stand Up for Science

1 month ago

AI solves 79-year-old mathematical mystery

3 days ago

Vox's Unexplainable and Scientific American take on dark matter, uncertainty and the unknowable

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Diesel fuel prices are rising-chemistry can help explain why

3 days ago

October 2026 - Issue

12 days ago

Sign up for the New Issue Alert

4 months ago

Did OpenAI solve the wrong Navier-Stokes problem?

6 days ago

Trump's FDA nominee Heidi Overton affirms MMR vaccine and mifepristone are safe at crucial Senate hearing

3 days ago

See the Taurids light up the fall sky with brilliant shooting stars

4 days ago

Is football too dangerous for kids' brains?

4 days ago

OpenAI's agent hacking Australia is a warning for governments everywhere

3 days ago

Mathematicians use AI to find mysterious symmetries, solving decades-old problem

5 days ago

Blood test for multiple cancers clears crucial hurdle on track to FDA approval

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America's AI giants want safety controls. China's open models complicate that

3 days ago

Why mathematicians are suddenly hiding research results

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How long should humans live?

9 days ago

View all Discussions

4 months ago

9 'boundaries' keep Earth livable. We've breached 7 of them

6 days ago

Watch a robot dog run a marathon faster than the average human

4 days ago

COVID cases are on the rise-here's what you need to know

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Is 'poop maxxing' the key to health?

4 days ago

Scientists discover largest new impact crater in the solar system ever-on our moon

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

9 days ago

Trump rejects AI regulation, citing parallels with climate change, in U.N. address

5 days ago

This year's El Ni o just broke another sobering record

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After brutal cuts, can this NASA center still build multibillion-dollar space telescopes?

5 days ago