What happens when machines surpass the most brilliant human minds? Mathematicians are finding out

A recent change in ownership is an opportunity for SciAm to be even better and have some fun

On steering the path forward for research and innovation

A daily game that challenges our understanding of human cultures. Ten objects. 5,000 years of human history. Guess where and when each artifact was made. See how you rank.

The great American brain drain could define science for a generation

Meet the researchers who may one day change the world

Building models to understand how self-organizing structures in cells lead to disease

How did we get here?

The hantavirus cruise outbreak may not have started in a garbage dump in Ushuaia, Argentina, after all

The Trinity bomb test left behind a unique form of matter, and now, scientists have discovered a new chemical structure inside it

Massive investments in AI may bring synergy and revenue to SpaceX, or could create problems for it and NASA, especially if the AI bubble pops

The environmental crises of the past often seem to disappear—have problems like acid rain and smog been solved?

The U.S. space agency is targeting Wednesday evening to loft four astronauts on what may be a record-breaking trip around the moon—see the spacecraft live

Climate scientist Kate Marvel talked to Scientific American about her decision to leave NASA amid federal government turmoil and funding challenges

Just how big can a star become? The answer depends on when in cosmic history you’re asking the question

Surprising studies show young people are doing better than previous generations in many ways

The Large Hadron Collider just produced a never-before-seen particle made of charm and down quarks

Bizarre objects that seem to lack all dark matter present a cosmic mystery

Earthlings aren't the only ones safe from a city-wrecking-size asteroid. Future lunar inhabitants won't have to worry about a strike in 2032 either

The release of the latest batch of documents relating to the late child sex offender Jeffrey Epstein has shed further light on his close relationship with the world of science. To find out why he cult...

A century ago, Erwin Schrödinger came up with an equation that says how the quantum world behaves. Now scientists are asking what happens when the observer is part of that world

NASA astronaut and ISS leader Mike Fincke transferred station command to a Russian cosmonaut ahead of an unprecedented medical evacuation

NASA on Thursday announced it would take the unprecedented step of bringing four crewmembers back to Earth from the space station before their official mission end

Bigger than Hubble and launching as soon as 2029, the Lazuli Space Observatory would be the first-ever full-scale private space telescope

The use of poison on arrows marked a revolution in human hunting technology—new evidence suggests it happened tens of thousands of years earlier than previously known

Celestial transients shine furiously and briefly. Astronomers are just beginning to understand them

As far as annual meteor showers are concerned, 2025 has saved the best for last. This year’s Geminids are not to be missed

Up to 50% off all subs

Two technicians look up at NASA’s Nancy Grace Roman Space Telescope after its inner and outer segments were connected at the agency’s Goddard Space Flight

NASA spent years and billions of dollars collecting Martian samples to bring home. Now they might be stranded

Betty Webster is a name to remember. Also: more rogue binary jovians

Lone star tick bites are the most common cause of alpha-gal syndrome, which causes severe allergic reactions to red meat

City-dwelling raccoons seem to be evolving a shorter snout—a telltale feature of our pets and other domesticated animals

Ahead of Jared Isaacman’s renomination for the position of NASA’s administrator, a dispute between him and its acting chief Sean Duffy spilled into the open, with potentially profound consequences for...

Russian leader Vladimir Putin claimed his nation conducted a successful flight of a nuclear-powered cruise missile. Here’s how that missile might work

New peer-reviewed research reporting strange lights in the pre-space-age sky is sparking curiosity and controversy

YouTube video by Scientific American

In certain circumstances, losses create a sure path to victory, an idea with implications for biology and cancer therapy