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Monday, July 20, 2026 4:55 PM ET

Scientific American - Top Stories

Cyclospora outbreak linked to iceberg lettuce supplied to Taco Bell

3 days ago

It's Time to Stand Up for Science

6 days ago

U.S. cities have the worst air quality in the world right now-here's how to stay safe

3 days ago

ChatGPT just proved another 50-year-old math conjecture

6 days ago

U.S. approval of giant 'space mirror' satellite alarms astronomers

4 days ago

How to avoid getting cyclosporiasis-and why washing lettuce may not be enough

5 days ago

Exclusive: See unprecedented images of Sunda clouded leopards, the 'ghosts of the forest'

3 days ago

Mathematicians are closing in on the hidden order inside chaos

5 days ago

Is there a 'best' solar eclipse?

3 days ago

Unlucky number 13? SpaceX's latest Starship launch attempt ends in a scrub

3 days ago

Watch SpaceX's Starship Flight 13 launch tonight

4 days ago

Do you think "impossible" objects from mathematics are "real," even if they can't be constructed in our world?

3 months ago

View all Discussions

2 months ago

A super-Earth exoplanet's leaking helium could be evidence of a complex atmosphere

4 days ago

Speeding may be costing drivers far more than a ticket

4 days ago

We finally know the name of an ancient Maya mathematician

6 days ago

Scientists discover a 'remarkable' new monkey species with orange lips and a froglike roar

5 days ago

Trump's latest CDC chief pick commits to 'never betray the science' at Senate confirmation hearing

5 days ago

Scientists spot sugar in interstellar space for the first time ever

7 days ago

July/August 2026 - Issue

1 month ago

Sign up for the New Issue Alert

2 months ago

August's solar eclipse inspires science involving jets, balloons and Einstein's general theory of relativity

5 days ago

The odds of a Super El Ni o just got higher

10 days ago

Tick bites are driving up deadly meat allergies. Scientists are scrambling to stop it

8 days ago

Cases of an explosive diarrhea-causing parasite are rising fast in the U.S.

11 days ago

Physicist says splashy new cosmology study made 'elemental' mistake

11 days ago

Meet the 1,900-year-old latrine helping explain how Roman concrete grew stronger with age

9 days ago

Early bird, night owl or something else? Five patterns may define how we sleep

11 days ago

The Earth is dragging spacetime around its orbit, just as Einstein predicted

12 days ago

Can you hear a forest disappearing? Scientists are trying to find out

5 days ago

RFK, Jr. is turning his attention to another vital health advisory group

12 days ago

Why corn isn't entirely to blame for 'corn sweat'

6 days ago

See the first x-rays of humans taken in space

5 days ago

T. rex fossil named 'Gus' becomes the most expensive dinosaur sold at auction

6 days ago

The Perseid meteor shower aligns with a total solar eclipse this year-here's how to see it

4 days ago

America is embarking on a risky experiment with GLP-1s and aging

1 day ago

Celebrate summer with two back-to-back meteor shower bonanzas

9 hours ago

Neanderthals may have been just as smart as modern human peers

10 hours ago

Accidental mix-ups of sounds reveal how the brain produces speech

2 days ago

Why New York State put giant data centers on hold

2 days ago

Mathematicians still don't know the fastest way to multiply numbers

7 days ago

Inside the race to spot wildfires before they spiral out of control

5 hours ago

Ancient Egyptian princesses were 'powerful' weapon users, new analysis suggests

3 days ago

FDA approves cholesterol pill more powerful than statins

4 days ago

A SpaceX rocket is about to crash into the moon-scientists will be watching

7 hours ago

Permanent daylight savings is bad for Americans' health-here's what science says could be better

3 days ago

Psychology researchers know why The Odyssey transcends time

4 hours ago