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Scientific American

388 years ago, Galileo worked out why human giants can't exist—and explained a law of nature

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Tropical Storm Lala nears Hawaii as forecasters expect it to strengthen into a hurricane

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Why 14 inches of rain fell in Japan in just one day

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Why is Illinois suddenly being hit with so many tornadoes?

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The X-Files creator Chris Carter on Scully, science and the truth that’s still out there

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What the mathematics of billiards can tell us about loving and letting go

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When will Betelgeuse go supernova?

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A nonspeaking person is the star of this opera. AI made that possible

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Physicists find major clue to matter’s biggest mystery

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Rare Tropical Storm Lala on course for Hawaii, with hurricane conditions possible

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Stunning time lapse lets you relive the 2026 total solar eclipse in 4K glory

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Drone time lapse shows total solar eclipse in amazing 4K quality

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Neuroscientists have vastly underestimated brain cells’ computing power

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Popular drug metformin transforms your gut into a sugar sink

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Squishies are everywhere. But what are they made of?

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Estrogen-only hormone therapy could lower risk of Alzheimer’s

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See the 2026 total solar eclipse from around the world

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Major COVID study that fueled vaccine skepticism retracted over ‘misinformation’

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See hundreds of stingrays swarming off the coast of New York

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Yale study finds ‘Medicare for All’ could save $1 trillion and 114,000 lives every year

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Stunning new images reveal cosmic cycle of death and rebirth

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No, AI didn’t just solve the thorniest problem in math

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JWST images illuminate ‘black hole stars’ at cosmic dawn

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New JWST images reveal the Lion Nebula in all its glory

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Watch today’s total solar eclipse live

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Could Rocky’s musical language in Project Hail Mary actually work?

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Land speed record holder shatters hydrogen car record with 406-mph race

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Can AI make mathematics more human?

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National Academy of Sciences pulls climate chapter from judges’ manual

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107 years ago, the Eddington total eclipse experiment helped prove Einstein’s theory of relativity

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Scientists are closer than ever to understanding the power of the vagus nerve

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Has science finally made up its mind about coffee’s health benefits?

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The birth of modern life was fueled by poop, new theory proposes

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Humans’ sense of smell is still evolving

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First-of-its-kind clinic treats psychedelic side effects

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Scientists are using AI to design new viruses. Should they be?

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Trump issues executive order aimed at rewriting childhood vaccine schedule

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Colombia rocked by 7.4 magnitude earthquake—its largest in the past decade

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Can dogs read your facial expressions? It depends on your mood

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Cyclosporiasis-linked Taylor Farms recalls jalapeños tied to Salmonella outbreak

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World ocean temperatures hit extreme new record for July

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Sperm with DNA damage might be the true cause of repeated miscarriages

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How the ‘happy ending problem’ launched a new branch of math—and a romance

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Can ‘magic mushrooms’ help treat cocaine dependence?

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SpaceX rocket crashes into the moon as cyberattacks hit U.S. water systems

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Europe's wildfires are igniting forgotten WWII and Cold War bombs

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How spaceflight changes astronauts' ability to eat and drink

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Hank Green AI controversy raises questions for science communicators

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Monkeys keep pets and maintain friendships with other animals

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Why loneliness and not social isolation may be making you sick

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