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Trump’s Baffling Call for Resuming U.S. Nuclear Tests

Scientific American Content: Global ·

2025/10/30

“The only countries that will really learn more if [U.S. nuclear] testing resumes are Russia and, to a much greater extent, China,” says Jeffrey Lewis, an expert on the geopolitics of nuclear weaponry

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Nanotyrannus Isn’t a Juvenile T-Rex—It’s a Separate...

Scientific American Content: Global ·

2025/10/30

An analysis suggests Nanotyrannus is a separate, smaller dinosaur that lived alongside T. rex, settling a 30-year debate

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FDA Is Investigating the Abortion Pill Mifepristone...

Scientific American Content: Global ·

2025/10/30

Some scientists are concerned that the Trump administration will use “junk science” when reviewing mifepristone’s safety record

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How an Error in Cult Classic Game Doom Sparked New...

Scientific American Content: Global ·

2025/10/30

What would the world look like if we changed the value of pi? Whether in the real world or a game environment, the answer is complex

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Glowing Sperm Reveals How Female Mosquitos Control Sex

Scientific American Content: Global ·

2025/10/30

Female Aedes mosquitoes signal that copulation can proceed by subtly extending their genitalia

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Does Hurricane Melissa Show It’s Time for a Category...

Scientific American Content: Global ·

2025/10/29

Hurricane Melissa’s powerful winds and drenching rains devastated Jamaica. But is its wrath a sign that we need a new designation for monster storms?

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Spider Web Patterns May Help Arachnids Sense...

Scientific American Content: Global ·

2025/10/29

Researchers simulated the effects that different web decorations had on vibrations, adding fresh insight to a decades-old debate about the function of these structures

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Russia’s Burevestnik Nuclear-Powered Missile Is a...

Scientific American Content: Global ·

2025/10/29

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

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The Neuroscience behind the ‘Parenting Paradox’ of...

Scientific American Content: Global ·

2025/10/29

Separate brain processes cope with moment-to-moment versus big-picture experiences, which helps explain how parenting both increases and decreases aspects of well-being

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H9N2 Bird Flu Virus Could Pose Human Pandemic Risk,...

Scientific American Content: Global ·

2025/10/29

Experiments suggests H9N2 has adapted to human cells, but cases of person-to-person transmission haven’t been reported yet

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What TikTok’s U.S. Spin-off Means for Its Algorithm...

Scientific American Content: Global ·

2025/10/29

TikTok’s U.S. spin-off could reshape its algorithm and the way culture is curated online.

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Hurricane Melissa Images and Videos Show the...

Scientific American Content: Global ·

2025/10/28

These images of Hurricane Melissa show the Category 5 storm in all its power

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The Science of How Hurricane Melissa Became So Extreme

Scientific American Content: Global ·

2025/10/28

A nearly perfect alignment of factors has enabled Hurricane Melissa to become one of the most intense Atlantic storms ever recorded

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China’s Chang’e 6 Mission Found Rare Meteorite...

Scientific American Content: Global ·

2025/10/28

These rare samples, uncovered on the moon by China’s Chang’e 6 mission, might help to reveal secrets of how the solar system evolved

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Did Astronomers Photograph UFOs Orbiting Earth in the...

Scientific American Content: Global ·

2025/10/28

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

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Did Dark Matter Help Supersize the Universe?

Scientific American Content: Global ·

2025/10/28

Theorists have found that a “warm” version of cosmic inflation is consistent with known physics, linking it to the hunt for dark matter

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What’s Behind This Luxury ‘Cat Poo’ Coffee’s Unique...

Scientific American Content: Global ·

2025/10/28

Civets enrich coffee beans they eat and excrete with two fatty acids often used in dairy products, study finds

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Mathematicians Make Surprising Breakthrough in 3D...

Scientific American Content: Global ·

2025/10/28

The noperthedron has a surprising property—which disproves a long-standing conjecture

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Why Hurricane Melissa Could Be the Worst Storm to...

Scientific American Content: Global ·

2025/10/27

Category 5 Hurricane Melissa’s exceptional strength and slow pace could make it more destructive than Hurricane Gilbert, which hit Jamaica in 1988

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Hurricane Melissa Makes 2025 Only Second Season with...

Scientific American Content: Global ·

2025/10/27

This is only the second time we’ve had more than two Category 5 storms in a single Atlantic hurricane season

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