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Tom Stalcup on climate change, a science-based approach to politics and misinformation

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Slime mold aliens explore Pompeii in a new novel by Annalee Newitz

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See one of the most iconic meteor showers at its peak this week

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Christina Applegate says she was misdiagnosed with MS-it happens more than you might think

17 hours ago

The mathematical impossibility of making a perfect world map

20 hours ago

The brain doesn't process emotion the way we thought

1 day ago

Scientists can't figure out what makes ultraprocessed foods unhealthy

1 day ago

Science surprises, from honeybees to microplastics

2 days ago

Can AI predict whether you'll die from cancer from just an image of your face?

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Scientists left in the dark by National Science Foundation grant application delays

1 day ago

A Russian satellite is stalking a U.S. spacecraft in orbit. Experts are worried

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It's Time to Stand Up for Science

2 months ago

Why we probably live in a multiverse

1 day ago

Some 'white' dwarf stars actually shine green, pink or purple

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Biohackers claim this supplement lets you drink coffee at night. No one knows if it's safe

1 day ago

November 2026 - Issue

1 day ago

Sign up for the New Issue Alert

5 months ago

A decade after Theranos imploded, here's what scientists want you to know

4 days ago

The Selfish Gene, revisited

1 day ago

The first mission to sample Mars's moons launches today

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The provocative new theory that could explain aging and disease

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Math Puzzle: Baby bottle mix-up

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This year's flu season is starting early. Does that mean it will be more severe?

4 days ago

OpenAI's blockbuster math proof isn't what you think it is

7 days ago

Inside the bold, quixotic quest to store planet-warming carbon in the ocean

1 day ago

How many planets could fit in the solar system?

5 days ago

How long should humans live?

1 month ago

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5 months ago

We're addicted to social media. How do we get sober?

1 day ago

Our love-hate relationship with social media

1 day ago

Honeybees deemphasize potential 'misinformation' in their waggle dances

6 days ago

Scientists just voted to redefine how the world keeps time

6 days ago

How do you test a nuclear arsenal without blowing it up?

1 day ago

Japan launches a probe to collect rocks from Mars's moon Phobos

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AI's power boom is giving the transformer a high-tech makeover

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How uncertainty breaks the brain

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Plants move to get away from their decaying brethren

4 days ago

What was SciAm writing about 50, 100 and 150 years ago? Life on Mars and justice for crabs

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Poem: 'Life in Bilateral Wonder'

1 day ago

An ancient Chinese math puzzle shows how to win at cards, horse races and gerrymandering

7 days ago

See how uranium enrichment really works

1 day ago

These extreme cosmic explosions are breaking physics

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New 'First Proof' exam reveals how AI-powered math is a pay-to-play sport

6 days ago

Science crossword: Scroll bars

1 day ago

Readers respond to the June 2026 issue

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Earth's 'life support systems' are breaking down, climate scientists warn

7 days ago

Are we addicted to our phones? Why you can't stop scrolling

5 days ago

Feverish after a vaccine? The reason could be your gut microbiome

12 days ago

Do women hit a biological 'cliff' at menopause?

8 days ago

Google's quantum Willow chip may be able to grow 'magic states'

5 days ago

Is the AI mathocalypse coming for encryption next?

6 days ago

Lettuce engineered to produce meat proteins

9 days ago

Should we turn the Red Planet green?

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Could this ancient shipwreck be the oldest ever found?

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5 ways to make Halloween decorations friendlier to wildlife

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Mathematicians invented a knitting stitch that stops mistakes from spreading

13 days ago