Science & Tech
NASA dreams of a nuclear power plant on the moon. Here’s why
To build its moon base, NASA needs a lot of power
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Science & Tech
Which problems will quantum computers solve—and when?
Quantum computing could lead to revolutions in cryptography, materials design and telecommunications. But fulfilling those promises could be many years away
Science & Tech
A field guide to quantum computer qubits
Here are six ways to build a quantum computer
Science & Tech
Quantum computing is reaching its make-or-break moment
Will computers based on quantum physics really change the world?
Science & Tech
How commercial satellites are changing modern warfare
Commercial satellites can now watch much of Earth in near-real time. Militaries are learning new ways to fool them
Science & Tech
Readers respond to the February 2026 issue
Letters to the editors for the February 2026 issue of Scientific American
Science & Tech
New ways to keep from losing muscle on Ozempic
Ozempic and just getting older take off muscle. New therapies could retain it
Science & Tech
The future of robot armies is here – and it’s not what you think
Robots are becoming more a part of our lives every year, and worries about a robot army rising up have long plagued the technology. But columnist Annalee Newitz talks to…
Science & Tech
What we know about how the U.S. government uses spyware (and what we don’t)
Critics of spyware, which can be used to remotely hack into phones, worry the Trump administration is eroding policies that stigmatized the commercial spyware industry.
Science & Tech
Change at Mactaquac Dam sees millions more fish make it upriver to spawn
For years, gaspereau trapped at the foot of the Mactaquac Dam were sold instead of being transported upriver.
Science & Tech
Elon Musk has lost yet another legal battle. Why he’ll still keep fighting
Musk has lost his high-profile lawsuit against OpenAI, but is not likely to change his aggressive style.