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Feed Title: Scientific American Content: Global
In geometry, there are surfaces that do without an inside or outside—and some need at least four dimensions to exist
Humans traveling to Mars will need protective habitats to live on the harsh surface. Ice could help
From glowing neurons to newborn memories, here are the most fascinating brain discoveries of 2025
In an exclusive excerpt of her new book The Great Shadow, historian Susan Wise Bauer explores how sickness is distinct from injury and has shaped the way we think about ourselves and our world
Billionaire Jared Isaacman is taking the reins at NASA at a challenging time for the space agency, as it faces budget cuts and technical hurdles that could scuttle its most ambitious missions
Astronomers using the James Webb Space Telescope have discovered a bizarre-looking exoplanet that defies explanation
Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth
The U.S. government is dismantling the National Center for Atmospheric Research, jettisoning key climate science projects in the process
The combination of a supernova and a kilonova may have produced a rare space explosion that astronomers have never seen before
A scientist, a journalist and a remarkable scent‑detecting dog race to learn what’s endangering the last southern resident orcas
Bones of now extinct species became a haven for bee babies thousands of years ago, scientists report in a first-of-its-kind discovery
The Arctic has changed dramatically in the past 20 years, a new report shows, as temperatures skyrocket and ice rapidly melts
A novel influenza variant called subclade K appears to be driving an uptick in cases and hospitalizations throughout the U.S. and other countries
President Donald Trump is expected to sign a defense bill this week that orders an investigation into whether the U.S. military bioengineered Lyme disease
Sort out a rectangle tangle in this math puzzle
New laboratory studies could shed light on a rock containing potential signs of alien life that’s stranded on Mars
This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey back to outer space
These three disorders could really be “CKM syndrome,” which can be treated with drugs like Ozempic
Whether space, health, technology or environment, here are the issues in science that the editors of Scientific American are focusing on for 2026
A new generation of household robots could change the way you live
