Scientific American.com
How a Greenland shark’s heart can beat for centuries
Greenland sharks have hearts that can function normally for more than a century
Supreme Court reinstates access to abortion drug mifepristone by mail
On Monday the Supreme Court paused a ruling by a federal appeals court that prevented health care providers from prescribing mifepristone by telemedicine, setting the stage for further action from the nation’s highest court
School cell phone bans may boost student well-being—but not test scores, new study suggests
Banning cell phones in schools has been touted as a silver bullet for poor test scores and low student well-being and attendance, but new research suggests the results are more mixed
Airborne microplastics could be making climate change worse
Tiny plastic particles drifting in Earth’s atmosphere could have a significant warming effect, a new study finds
Why NASA’s Artemis moon program could fall victim to SpaceX’s AI ambitions
Massive investments in AI may bring synergy and revenue to SpaceX, or could create problems for it and NASA, especially if the AI bubble pops
What you need to know about hantavirus, the infection at the center of a deadly cruise ship outbreak
Hantavirus spreads through contact with rodents and causes rare infectious diseases that can lead to kidney failure or a buildup of fluid in the lungs
What we know—and what we don’t—about marijuana’s health effects
Marijuana is far from a “silver bullet” for various illnesses, but it has some promising applications, scientists say
How a vision-restoring gene therapy proved that we can treat inherited diseases
Three 2026 Breakthrough Prize winners reflect on developing Luxturna, a gene therapy that treats blindness caused by rare inherited eye diseases
Metallic scorpion stingers, preeclampsia hope, canceled wind energy projects
A look at what makes scorpions so deadly, why there’s hope for preeclampsia and how President Trump is gutting wind energy
The Eta Aquarid meteor shower peaks tonight—here’s how to get the best view
This annual meteor shower occurs as Earth passes through the dusty debris left behind by Halley’s Comet as it journeys around the sun
Key U.S. science panels are being axed—and others are becoming less open
A new analysis shows that the Trump administration has terminated more than 100 advisory committees to science agencies—and reduced the transparency and independence of those that remain.
Why the FDA rejected a ‘breakthrough’ melanoma drug
The FDA rejected the promising skin cancer drug RP1 twice, leaving many puzzled and worried about what this means for other drug approvals
Do octopus brains work like humans’—or is there another way to be smart?
Just like vertebrates, cephalopods—such as octopuses and squid—have elaborate brains. Neuroscientists are flocking to them for insights into how intelligence evolved.
A SpaceX rocket booster may be on track to hit the moon in August
While there is no immediate danger, this crash highlights that space junk is increasingly expanding out of lower-Earth orbit
Watch NASA test its new X-59 jet designed to go faster than the speed of sound
This next-generation plane is made to go faster than sound without producing a full sonic boom
A third of U.S. adults don’t get enough sleep, new CDC report warns
Nearly a third of all U.S. adults are sleeping fewer than the recommended seven hours per night on average
US lawmakers vote to cut science spending—but reject Trump’s sweeping reductions
A draft bill would preserve NASA’s overall funding but downsize the National Science Foundation’s budget by 20 percent.
The spring migration of birds is peaking. Here’s how to watch
The migration of birds from their southern wintering grounds to their breeding grounds in the north is in full swing
What is the Kardashev scale, and can we climb it?
The Kardashev scale is an interesting but flawed gauge of a civilization’s growth
What is the AI compute crunch, and why are AI tools hitting usage limits?
Rate limits on Claude and other tools could hint at a deeper squeeze on the chips, power and data centers needed to run advanced AI. Researcher Lennart Heim explains
