The Colorado Avalanche is dominating the NHL. The reason could lie in a quirk…
Denver’s hockey team is studded with stars, but training and playing the game some 5,000 feet above sea level may give their…
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Did the last common ancestor of humans and apes walk like a gorilla? A new…
Some extinct human ancestors and modern-day apes appear to share wrist traits that raise the question of whether our last common…
Scientists catalog the ‘fractal dimensions’ of more than 130,000 islands
The “coastline paradox” helped to define fractals, but coastlines themselves turn out to be less fractal than thought
These ants navigate with a compass tuned to the moon
A newfound nocturnal navigation system challenges what entomologists thought they knew about how ants find their way
Microbe ‘cities’ may solve a key ocean mystery
Some of Earth’s tiniest life-forms inhabit slowly sinking particles of fish poop and debris, playing a crucial role in ocean…
We’re about to find out if quantum computers can live up to the hype
Will computers based on quantum physics really change the world?
A Sam Altman–backed start-up says it will deliver fusion electricity by 2029.…
This company says its pulsed plasma machine will deliver electricity to the grid by 2029. Some physicists warn that its promises…
This new map has revolutionized our understanding of Roman roads and the Empire…
A massive digitization project has nearly doubled the known extent of the first continent-scale road network
June 2026: Science history from 50, 100 and 150 years ago
Door-building spiders; a new quantum liquid
Readers respond to the February 2026 issue
Letters to the editors for the February 2026 issue of Scientific American
An illustrated field guide to qubits
Here are six ways to build a quantum computer
Quantum computers’ first killer apps are closer than you think
Quantum computing could lead to revolutions in cryptography, materials design and telecommunications. But fulfilling those…
A real quantum leap
Sometimes science does make our world turn upside down
Ozempic and simple aging can melt away important muscle from your body
Ozempic and just getting older take off muscle. New therapies could retain it
Commercial satellites can now watch much of Earth in near-real time. Militaries…
Commercial satellites can now watch much of Earth in near-real time. Militaries are learning new ways to fool them
Why no one is trying to solve math’s greatest mystery
The intimidating legacy of the scariest problem in mathematics
Summerlike heat is breaking records in the East. Here’s why
A Bermuda High parked over the western Atlantic is pulling sweltering air up from the South, challenging records in parts of the…
The U.S. just experienced its hottest 12 months on record
March was a scorching 9.35 degrees Fahrenheit hotter than the 20th-century average for the month, capping the hottest 12-month…
SpaceX punts Starship launch as investigation opens into Starbase worker’s death
SpaceX is now targeting the evening of May 21 to launch the latest and largest version of its Starship megarocket for the first…
“I could be in this room for 42 days and literally not get to breathe fresh…
Scientific American spoke to one of the people who are currently being monitored for possible hantavirus infection at the…
‘Sensational’ proof topples decades-old geometry problem
The sudden resolution of a well-known conjecture highlights the growing adoption of AI as an assistant in high-level mathematics
New NASA Hubble image captures a rare, turbulent galaxy
The new image shows the galaxy NGC 1266, a transitional object with a clutch of young stars that likely collided with a smaller…
Scientists race to develop Ebola drugs as outbreak surges
Clinical trials for treatments against Ebola Bundibugyo virus are ‘in a strong position’ to be launched quickly in the Democratic…
Female beast hunters battled leopards in ancient Rome, long-lost mosaic shows
Mosaic depictions of a weapon-wielding female gladiator are the first physical evidence showing women in ancient Rome could be…
A lamp flickering on and off inspires the math mystery of Thomson's lamp
If you switch a lamp on and off an infinite number of times, will the light end up on or off? Somehow math says both
U.S. bans travel from three African countries as Ebola outbreak spreads
At least six Americans are believed to have been exposed to the Ebola virus, and one person who appears to have contracted the…
Hidden copy of the oldest known poem in the English language leaves researchers…
Researchers discovered the copy of the 1,300-year-old poem lurking inside a historical text in an Italian library
The world is more at risk of a pandemic now than before COVID, experts say.…
As world health leaders face deadly outbreaks of hantavirus and Ebola, a major pandemic preparedness report finds we are less…
See a Lincoln Memorial-sized asteroid pass within just 56,000 miles of Earth…
The asteroid will swing by Earth on Monday and be close enough to be visible using an amateur telescope
The programmer whose code underpins the Internet
Sharla Boehm, a math teacher, spent her summers coding. She’d go on to build what would eventually evolve into the Internet
Four ways marijuana rewires the teenage brain
A growing body of research suggests cannabis poses risks to the developing brain
This small rodent is at the center of theories about the hantavirus outbreak
The long-tailed pygmy rice rat is the primary host for Andes virus, the type of hantavirus responsible for sickening passengers…
NASA reveals new clues to 2027’s Artemis III, the final test mission before a…
NASA is starting to paint in some of the details of its planned 2027 Artemis III mission, but key questions, such as who its…
Hantavirus can persist in semen for years, but that doesn’t mean it stays…
Researchers know very little about how long the Andes version of the hantavirus can remain in human hosts
A real Mr. Snuffleupagus? Meet the ocean’s strangest new fish species
A strange, tiny fish that resembles the famous Sesame Street character camouflages amid red algae thanks to its flamboyant…
This startup wants to make drugs in orbit. If it succeeds, it could transform…
Varda’s plan to develop medicines in microgravity has its advantages, but it requires a big up-front cost
How to arm yourself against hantavirus misinformation
Hantavirus misinformation is spreading fast. COVID trauma and social media algorithms may be to blame
Can plants have consciousness? The film Silent Friend reimagines the science
The filmmaker behind the newly released movie Silent Friend shares the scientific and historical inspiration for its story of…
Astronomers can’t see everything. But not for lack of trying
There are parts of the universe, and of the electromagnetic spectrum, that we’re not covering with our telescopes—but not as many…
To celebrate Endangered Species Day, meet the scaly-foot snail, the most metal…
This snail became the first animal living on deep-sea hydrothermal vents to be added to the IUCN Red List of Threatened…
U.S. Supreme Court allows access to mifepristone by mail—for now
The nation’s top court extended a stay on a lower court order banning telemedicine access to mifepristone, a drug used in…
There’s an 82 percent chance El Niño will ‘emerge soon,’ NWS says
The El Niño climate event is due to return this year, with U.S. forecasters predicting an 82 percent chance of it coming in May…