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Astronomers discover another galaxy seemingly devoid of dark matter

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World-first: therapy to make cells young again given to a person

4 days ago

Russia seeks mathematician's extradition

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Science confirms: Cats help you only when there's something in it for them

6 days ago

July/August 2026 - Issue

1 day ago

Sign up for the New Issue Alert

1 month ago

AI's Victories in Go Inspire Better Human Game Playing

4 days ago

NASA spots the possible remains of a massive supernova in the middle of the Milky Way

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How to tell if your dog is left-pawed or right-pawed, according to science

6 days ago

Can black holes send information back in time?

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Brood X Cicadas Could Cause a Bird Baby Boom

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Inside the race to develop a new Ebola vaccine

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The alien stories Scientific American editors keep coming back to

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NASA data reveals weird x-ray changes in the exploded ruins of dead stars

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See the hidden fungal network so big it could stretch to Proxima Centauri and back

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Do you think these social media apps are addictive?

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View all Discussions

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Could the keto diet help treat anorexia, schizophrenia and depression?

22 hours ago

Glaciers are secretly teeming with life

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How Canadian rock duo Angine de Poitrine play with neurobiology and physics to make viral music

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The U.S. restricted Anthropic's powerful Fable model. Cybersecurity experts say that could backfire

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World Cup camera coverage poses a moving math puzzle

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Just how big is the new Ebola outbreak?

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Math Puzzle: Go to great lengths

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How to build kids' 'cognitive endurance' in an age of distraction

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Tonima Tasnim Ananna

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Largest whale 'graveyard' discovered, with skeletons spanning 5 million years

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Poem: 'The Soliloquy of Schr dinger's Cat'

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Science crossword: Looking to the future

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Dino-killing asteroid may have sparked millions of years of hydrothermal life

8 days ago

Readers respond to the March 2026 issue

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U.S. gets a new sunscreen ingredient after 27 years-here's how it works

7 days ago

Resistance training may boost longevity. But how much do you need?

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The Philippines earthquake is massive, but it could've been bigger-here's why

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NASA's experimental quiet supersonic plane passes another critical milestone

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What Disclosure Day gets wrong about the search for aliens

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Former U.S. health official explains why the Trump administration 'ignored' a key alcohol study

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SpaceX's targeted $1.75-trillion valuation rests on engineering that hasn't happened yet

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Ancient ground squirrels feasted on carcasses like 'zombies of the Pleistocene'

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How math can help you decide what to order for dinner

10 days ago

Dozens of countries are trying to lure U.S. scientists abroad-and it's working

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Watch sharks use manta rays to scratch unreachable itches

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Proposed White House regulations could kill 5,000 clinical trials, analysis finds

14 hours ago

Ozempic maker Novo Nordisk breach exposed patients' clinical trial data

18 hours ago

Trump's Genesis Mission puts AI to work on nuclear weapons

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Learning from unexpected results: This neuroscientist is redefining how the brain learns

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How Erini Lambrides went from seeking theater stardom to studying the stars at NASA

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How to fix science

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Today's Hard Sudoku

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Math predicts humans could go extinct in about 17,000 years

19 hours ago

U.S. science is in chaos

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On our radar

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My childhood in science

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Disclosure Day raises a big question: How do you talk to aliens?

5 days ago