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Monday, September 28, 2026 7:02 AM ET

Scientific American - Top Stories

What scents trigger childhood memories for you?

1 month ago

The secret Cold War history of Tetris

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Life finds a way: Fire amoebas, plesiosaur vomit and sea turtle eggs

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Transplanted hearts may take on the age of their new bodies

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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

1 day ago

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

13 days ago

Cover Art Jigsaw: September 1975

23 hours ago

Jupiter-bound spacecraft Juice to fly by Earth Monday

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Did OpenAI solve the wrong Navier-Stokes problem?

6 days ago

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

2 days ago

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

3 days ago

It's Time to Stand Up for Science

1 month ago

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

5 days ago

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

2 days ago

AI solves 79-year-old mathematical mystery

3 days ago

October 2026 - Issue

13 days ago

Sign up for the New Issue Alert

4 months ago

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

4 days ago

Why Hawaii is facing an unprecedented hurricane season

2 days ago

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

4 days ago

Is football too dangerous for kids' brains?

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

3 days ago

Why mathematicians are suddenly hiding research results

5 days ago

Diesel fuel prices are rising-chemistry can help explain why

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

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

6 days ago

View all Discussions

4 months ago

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

6 days ago

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

3 days ago

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

6 days ago

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

4 days ago

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

4 days ago

Is 'poop maxxing' the key to health?

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

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

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

9 days ago

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

9 days ago

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

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What your dog really thinks about the world

10 days ago