Scientific American RSS Feed

Is testosterone therapy safe and effective? What we know

13h

The mangled remains of probes sent to Venus may still be there

14h

Celebrate Mother’s Day with nine bold, beautiful and bizarre animal moms

16h

This organoid can menstruate—and shows how tissue can repair itself

Top climate research center at risk of cuts sues Trump administration

The leader of NASA’s Psyche mission has tips for interplanetary team building

Wildfire breaks out inside Chernobyl exclusion zone

See the Pentagon’s new UFO image release

U.S. neutrino megaproject takes shape in abandoned gold mine

Pentagon releases trove of new UFO files, but skeptics aren’t impressed

There is no vaccine for deadly hantavirus, but this scientist is working on one

Scientists make AI play Battleship to help it do science better

Is Pluto a planet? That’s asking the wrong question

The science behind social media’s peptide obsession

David Attenborough celebrates his 100th birthday

Trump administration cut funding to study hantavirus, the virus behind deadly cruise ship outbreak

Slower biological aging may tied to getting the same amount of rest each day

Shake it off—NASA’s Curiosity rover gets its robotic arm stuck inside a rock on Mars

Poop, stomach oil and ostrich eggshells keep records of Earth’s ancient climate

Skeletons of four doomed Franklin Expedition sailors identified with DNA

Math and statistics help explain the FBI's ‘missing scientists’ cases

The hantavirus cruise ship outbreak is a dangerous experiment

MAHA voters support lower health care costs above vaccine safety and limitation of pesticides, poll finds

Could this fungus live on Mars? Maybe it already does

The return of the Presidential Physical Fitness Award likely won’t improve children’s health, experts say

Gas prices are spiking. So why aren’t U.S. oil companies drilling more?

The brain processes overheard words under anesthesia, but it may not remember them

The Trump administration is bringing back flavored vapes. Advocates and lawmakers say the risks outweigh the benefits

A 1,500-foot tsunami took scientists by surprise. Now we know why it happened

‘Touchy-feely’ dark matter is having a moment

What are AI agents? Inside a real experiment where AI ran a start‑up

Carbon dioxide levels in the atmosphere just hit a ‘depressing’ record high

Babies may ‘catch’ yawns from their mother in the womb, new study finds

Why some mathematicians think we should abandon pi

Jeff Bezos’s Blue Origin moon lander completes a crucial test as race with SpaceX heats up

Does a psychedelic trip change your brain? A new study offers a tantalizing clue

A decade of research reveals harms of ‘fitspiration’ content online

How scientists made the discoveries behind a game-changing gene therapy for sickle cell disease and won a $3-million Breakthrough Prize

Humpback whales sometimes hang out with their mouth open, baffling scientists

NASA just dropped more than 12,000 Artemis II photos—here’s how to see them

How a Greenland shark’s heart can beat for centuries

Supreme Court reinstates access to abortion drug mifepristone by mail

School cell phone bans may boost student well-being—but not test scores, new study suggests

Airborne microplastics could be making climate change worse

Why NASA’s Artemis moon program could fall victim to SpaceX’s AI ambitions

What you need to know about hantavirus, the infection at the center of a deadly cruise ship outbreak

What we know—and what we don’t—about marijuana’s health effects

How a vision-restoring gene therapy proved that we can treat inherited diseases

Metallic scorpion stingers, preeclampsia hope, canceled wind energy projects

The Eta Aquarid meteor shower peaks tonight—here’s how to get the best view