Should you be taking testosterone?
Testosterone is a longtime favorite of the bodybuilding crowd, but now the hormone is being touted for perimenopause,…
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Scientific American
Science journalism from Scientific American
Science · 271 articles · page 4 of 8 · fetched 30 minutes ago
NASA calls off rescue mission for its falling Swift space telescope
The space agency’s Neil Gehrels Swift Observatory, which studied cataclysmic cosmic explosions, is expected to burn up…
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Moderna and Merck announce ‘landmark’ trial showing mRNA therapy significantly cuts odds of recurrent skin cancer
The combined drug works by nudging the body’s own immune system to make proteins that attack and destroy melanoma cells
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Some microbes could survive on the moon—that’s a big problem for NASA
Five common microorganisms found on Earth could survive at the lunar south pole, a new study finds, presenting a…
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The Milky Way’s fastest star could expose our black hole’s spin
The star S301 swoops so close to our galaxy’s supermassive black hole that it could, for the first time ever, reveal…
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China successfully lands its Zhuque-3 rocket, rivaling Blue Origin and SpaceX
Beijing’s success shows how close China is to the U.S. in the new space race
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Trump to nominate White House aide Heidi Overton to head FDA
Overton is a medical doctor with ties to the “Make America Healthy Again” movement
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‘Mini brains’ kept alive for years appear to age like real brains
Miniature models of the human brain can be kept alive for years, allowing scientists to study neural development and…
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How psilocybin alters consciousness to create a sense of ‘oneness’
Psychedelics can create a new “hidden order” in brain activity that could explain how these drugs alter our sense of…
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Supercentenarians have a cellular superpower
Could this secret cellular weapon be the key to longevity?
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NASA images reveal 60-foot-wide crater on moon left by SpaceX rocket
The SpaceX rocket fragment hit the moon at several times the speed of sound on August 5
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How generative AI is reshaping creativity, and what it means for artists
Moiya McTier explores what makes human creativity unique in the age of AI
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Trump moves to end protections for 44 million acres of U.S. forests
The 2001 Roadless Area Conservation Rule protects the nation’s forests from logging and other industry activities
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Why parabolas are crucial to cryptography
Cryptographers use points along a curve to build tough codes
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What makes a narwhal’s tusk so special? Scientists are close to unraveling the mystery
The unicorn of the sea’s spiral tooth has long been a scientific enigma
Read at source →Extreme weather is making Americans feel powerless
The same people affected by extreme weather are also likely to worry that they will face a future disaster, according…
Read at source →Robotic rescue missions are sparking a spaceflight revolution
Two new missions are revealing how robotic repair and assembly could become routine on the final frontier
Read at source →SciAm is on the move
A recent change in ownership is an opportunity for SciAm to be even better and have some fun
Read at source →If millions of satellites launch to space, is chaos the inevitable outcome?
SpaceX and other companies want to put millions of satellites into space. Could orbit run out of room?
Read at source →Readers respond to the April 2026 issue
Letters to the editors for the April 2026 issue of Scientific American
Read at source →Scientists cited by Heritage Foundation report on women’s sports say it misrepresented their research
The conservative think tank’s report claims that high-intensity and elite sports training has lasting effects on…
Read at source →How solar became the cheapest form of energy in the world
Here are four reasons solar energy has seen a meteoric rise in recent years
Read at source →How Golden Dome’s space-based missile interceptors would work
Golden Dome’s most audacious element would require a vast constellation of weapons that does not yet exist. Defense…
Read at source →How Zipline’s drone delivery system works in U.S. suburbs
Zipline’s tethered delivery system lowers packages from the sky. Now it has to show that people want the service
Read at source →The brain doesn’t just experience reality. It edits it into a story
Neuroscience is revealing how our brains are wired for narrative
Read at source →September 2026: Science history from 50, 100 and 150 years ago
A heavenly read; a 25-foot eye; a case of double personality
Read at source →Does fibermaxxing work? It may depend on your microbiome
We are rightfully told to eat more fiber. But our depleted gut microbiomes may not benefit from superhigh levels
Read at source →Science crossword: Give me some space!
Play this crossword inspired by the September 2026 issue of Scientific American
Read at source →What really happened on Easter Island?
For decades, an influential theory blamed the Rapanui for their own downfall—a story made famous by Jared Diamond’s…
Read at source →From geothermal energy to tidal power, these bold projects could change our clean-energy future
Companies are making big bets on technology to solve lingering challenges in the clean-energy rollout. Here are four of…
Read at source →How NASA turned a spy satellite into the Nancy Grace Roman Space Telescope
NASA’s Nancy Grace Roman Space Telescope will soon launch to unravel the mysteries of dark energy and dark matter
Read at source →Can QuantumScape and Factorial Energy mass-produce solid-state batteries?
Two American companies are pursuing rival manufacturing strategies for these long-promised cells in an industry China…
Read at source →OpenAI funds research to try to stop AI from being used to make bioweapons
The start-up’s grant to the Nuclear Threat Initiative will fund an international information sharing system designed to…
Read at source →How Hurricane Lala was juiced by El Niño
El Niño years typically mean warmer ocean temperatures and less wind shear in some parts of the Pacific—and that means…
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