Scientific American.com

Recent Deregulation at the EPA, SPHEREx and PUNCH Launch and Saturn’s Many Moons
The EPA rolls back regulations, NASA launches two exciting missions, and we discuss the surprising way whale urine moves nitrogen across the ocean.
See the Total Lunar Eclipse from the Moon in Photos from Blue Ghost Lander
Firefly Aerospace’s Blue Ghost Mission 1 lunar lander snapped incredible photographs of the March 13–14 total lunar eclipse, as seen from the moon
Life on Earth May Have Been Jump-Started by ‘Microlightning’
Charged water droplets generate sparks that can forge organic compounds
Ancient DNA Shows Stone Age Europeans Voyaged by Sea to Africa
Roughly 8,000-year-old remains unearthed from present-day Tunisia held a surprise: European hunter-gatherer ancestry
Trump Pentagon Purging Climate Change Measures, Hegseth Says, Raising Military Readiness Concerns
Defense Secretary Pete Hegseth wants to end the Pentagon’s climate efforts. Some experts say the move could hurt military readiness
If Life on Mars Ever Existed, This Bizarre Rock May Tell Us
The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not
These Dogs Can Sniff Out Invasive Species before It’s Too Late
Dogs excel at finding spotted lanternfly eggs in lower-level infestations
How to Protect Pets and Backyard Chickens from Bird Flu
As bird flu outbreaks continue to affect animals, experts answer questions about keeping pets and their owners healthy
Are the Colors in Space ‘Real’?
In colorful photographs of galaxies, stars, planets, and more, what you see isn’t necessarily what you get
Robotics Researcher Creates the Real Cosmo from Netflix’s Movie The Electric State
A robotics researcher takes on the Russo brothers’ vision from the new movie The Electric State.
Scientist’s Study Led FDA to Ban Food Dye Red No. 3. But He Says the Additive Is Safe
Almost 40 years ago, Joseph Borzelleca published a study on the food coloring Red No. 3. The FDA cited his work when banning the additive in January. But the researcher says the dye is safe
Are D-Wave’s Claims of ‘Quantum Advantage’ Just ‘Quantum Hype’?
D-Wave’s fresh claim that it has achieved “quantum advantage” has sparked criticism of the company—and of the scientific process itself
Man Survives with Titanium Heart for 100 Days—A World First
Titanium hearts could serve as a stopgap for people with heart failure who are waiting for a donor organ
Trump EPA Unveils Aggressive Plans to Dismantle Climate Regulation, Endangerment Finding
EPA Administrator Lee Zeldin outlined an aggressive plan to dismantle the "holy grail" of climate regulation, the endangerment finding
Evangelina Rodríguez Led an Extraordinary Life as the Dominican Republic’s First Female Doctor
Born into poverty and abandoned by her parents, Andrea Evangelina Rodríguez Perozo rises from a life selling sweets in the street to become the first female Dominican doctor in 1911
One in Three U.S. Bird Species Are Struggling and Need Conservation Support
In the U.S. 42 species of birds have low and steeply declining populations that put them on the brink of disaster, scientists say
The Surprising Story Behind Indiana's 1897 Vote to Change the Value of Pi
How an incorrect value of pi almost got codified into law
The Next Flu Pandemic Could Be Worse Than Covid If We Don't Heed History
COVID and the 1918 flu pandemic gave us playbooks on how to prepare for the next pandemic. But we aren’t using it.
Mummies From Ancient Egypt Smell Surprisingly Nice, Scientists Say
Mummy aroma may provide insight into social class and historical period, according to a team of trained mummy sniffers
Controversial ‘Quantum Advantage’ Claim Made by Computing Firm D-Wave
The company says it has solved the first problem of scientific relevance with a quantum processor faster than could be done with classical computers—but others disagree