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- SCIENTIFIC AMERICAN20 HOURS AGO
Poop, stomach oil and ostrich eggshells keep records of Earth’s ancient climate
Peering into Earth's climate past is getting ever more bizarre
21 HOURS AGO
America the Undammed
More miles of the country’s rivers were reconnected last year thanks to dam removals than at any other time in history.
21 HOURS AGO
Employees With Medical Conditions Challenge C.D.C. In-Office Requirement
The health agency has been particularly strict in abolishing at-home work, overriding accommodations that were granted years before the pandemic.
- SCIENTIFIC AMERICAN15 HOURS AGO

Shake it off: NASA's Curiosity rover gets its robotic arm stuck inside a rock on Mars
Haters' gonna hate, hate, hate, but Mars Curiosity rover Curiosity just keeps on groovin'—even if its handlers had to spend several days freeing its drill from a rock
16 HOURS AGO
Surprising Signs of an Atmosphere Around a Tiny World, Billions of Miles Away
A gradual dimming and brightening when a star passed behind it suggested the mini-Pluto was wrapped in a thin layer of air.
14 HOURS AGO
Hantavirus Response Shows How Trump Cuts Have Compromised U.S. Preparedness
The Trump administration has slashed funding for infectious disease research and has far fewer employees, including disease detectives, to respond to outbreaks.
18 HOURS AGO
What My Father’s Experience Taught Me About Memory and the Brain
In the final stages of his dementia, a long-lost memory from childhood returned, perfectly formed. What was going on in his brain?
- SCIENTIFIC AMERICANA DAY AGO

Math and statistics help explain the FBI's “missing scientists” cases
Statistical principles show you don't need a nefarious plot to explain clusters of missing scientists and lab workers
- SCIENTIFIC AMERICAN12 HOURS AGO

Slower biological aging may tied to getting the same amount of rest each day
Stable rhythms of rest and activity are associated with healthier biological age markers, a new study suggests
13 HOURS AGO
Trump Panel Recommends FEMA Respond to Fewer Disasters
A White House task force also called for speeding up aid, but some of its ideas would require action by Congress to become reality.
11 HOURS AGO
Trump Administration Lifts Ban on ‘Cyanide Bombs’ on Public Lands
The Bureau of Land Management will allow the use of the spring-loaded traps, which can kill coyotes and other animals that prey on livestock.
- SCIENTIFIC AMERICAN11 HOURS AGO

Trump administration cut funding to study hantavirus, the virus behind deadly cruise ship outbreak
The Centers for Research in Emerging Infectious Diseases were designed to study viruses that could jump from animals to people, including hantavirus, but in 2025 the National Institutes of Health said the work wouldn't continue
15 HOURS AGO
Her Self-Experiment with Drug Detox Almost Broke Her
Against expert advice, people are using new and unpredictable synthetic drugs to experiment on themselves in hopes of becoming free of addiction.
10 HOURS AGO
Renewables Are Gaining on Fossil Fuels, IRENA Report Finds
Sources like wind and solar can now deliver continuous power, according to a new report. And, they’re often a bargain compared with fossil fuels.
15 HOURS AGO
A Landslide in Alaska Set Off a Tsunami. There May Be More to Come.
Scientists say as glaciers retreat in a warming climate, landslide-generated tsunamis are likely to become more frequent.