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Clinical trials for treatments against Ebola Bundibugyo virus are ‘in a strong position’ to be launched quickly in the Democratic Republic of the Congo and Uganda

Fix the matchstick equation in this math puzzle

Mosaic depictions of a weapon-wielding female gladiator are the first physical evidence showing women in ancient Rome could be skilled beast hunters

To build its moon base, NASA needs a lot of power

Quantum computing could lead to revolutions in cryptography, materials design and telecommunications. But fulfilling those promises could be many years away

Sometimes science does make our world turn upside down

Here are six ways to build a quantum computer

A massive digitization project has nearly doubled the known extent of the first continent-scale road network

Will computers based on quantum physics really change the world?

Commercial satellites can now watch much of Earth in near-real time. Militaries are learning new ways to fool them

Letters to the editors for the February 2026 issue of Scientific American

Ozempic and just getting older take off muscle. New therapies could retain it

This company says its pulsed plasma machine will deliver electricity to the grid by 2029. Some physicists warn that its promises are outrunning what the technology has proved

The intimidating legacy of the scariest problem in mathematics

Science in meter and verse

Play this crossword inspired by the June 2026 issue of Scientific American

Door-building spiders; a new quantum liquid

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

At least six Americans are believed to have been exposed to the Ebola virus, and one person who appears to have contracted the virus has been evacuated to Germany

Researchers at the Nebraska Public Health Laboratory worked round the clock to develop a test for the Andes virus at the center of the deadly cruise ship outbreak