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China’s CO2 Emissions Might Have Finally Peaked

China has rapidly become the world leader in renewable energy, but continued coal use means it could take longer for its emissions to decline

New Book for Young Readers Brings the Stories of 10 Remarkable Women to Life

Ten great stories about 10 forgotten female scientists that we hope will inspire middle school readers to pursue their own curiosity and get involved in STEM fields

U.S. Man Dies of Rabies after Receiving Infected Kidney Transplant

A man has passed away after he received a kidney transplant from a person who had died with undiagnosed rabies, according to U.S. public health officials

AI Chatbots Shown to Sway Voters, Raising New Fears about Election Influence

Chatbots can measurably sway voters' choices, new research shows. The findings raise urgent questions about AI's role in future elections

Scientific American’s Best Fiction of 2025

The 10 best fiction books of 2025, explore far-off planets, future climate catastrophes and more

CDC Vaccine Panel in Disarray over Hepatitis B Vote

Members of the CDC's Advisory Committee on Immunization Practices seemed confused about a proposed recommendation for the birth dose of the hepatitis B vaccine

Scientific American’s Best Nonfiction of 2025

The 10 best nonfiction books of 2025, from the history of replaceable body parts to our AI future

Cosmic Magnification Is One of the Universe’s Weirdest Optical Illusions

In our topsy-turvy universe, sometimes the farther away an object is, the bigger it seems to be

Telecom Fiber-Optic Cables Measured an Earthquake in Incredible Detail

Fiber optics that connect the world can detect its earthquakes, too

How Zuranolone, a Fast-Acting Drug, Might Help Those Suffering with Postpartum Depression

Journalist Marla Broadfoot discusses zuranolone, a drug that may help people whose postpartum depression hasn't responded to traditional antidepressants.

Aluminum is Crucial to Vaccines—and Safe. Why are CDC advisers Debating It?

RFK Jr's vaccine advisory panel will be discussing the inclusion of adjuvants in childhood vaccinations today. Here's what's at stake

China’s Explosive Zhuque-3 Test Previews the Global Race for Reusable Rockets

A partially successful test of China's Zhuque-3 rocket shows that other countries are rapidly catching up with the U.S in the race for reusable rocketry

Extremophile ‘Fire Amoeba’ Pushes the Boundaries of Complex Life

It was thought that complex cells couldn't survive above a certain temperature, but a tiny amoeba has proven that assumption wrong

CDC Vaccine Panel Scraps Guidance for Universal Hepatitis B Shots at Birth

The new guidance would do away with a decades-old universal birth dose recommendation for hepatitis B that helped cut infections by 99 percent in the U.S.

Daniel H. Wilson on Finding a Native Take on Traditional Alien Invasion Stories

Hole in the Sky, by Daniel H. Wilson, is one of Scientific American's best fiction picks of 2025. In the novel, aliens talk through an AI headset and land in the Cherokee Nation, while the military scrambles to contain and control the unknown