Scientific American Content: Global

Microwave satellite data are key to capturing major changes in a hurricane’s strength, such as when a storm undergoes rapid intensification. But a main source of those data is being abruptly shut off

A certain species of sea slug steals chloroplasts from algae and houses its contraband in special organelles that it can raid for food in times of need

Often framed as a boon for personal wellness, meditation helps us connect with and support others, too

Surprising new work bucks 50 years of assumptions about the trade-offs between computation space and time

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion

This San Antonio, Tex., lab takes biosecurity seriously. Suit up with its scientists and go behind the scenes of the science of vaccine creation.

Scientists warn against reading too much into a small experiment about ChatGPT and brain activity that is receiving a lot of buzz

Vaccines are safe, but they could always be safer—here’s what would make a difference

Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins in the mysterious depths of the outer solar system

A rapidly warming Arctic is driving long-lasting summer extremes, such as this month’s sweltering temperatures, new research suggests

Later this year a tiny rover will carry out an unusual lunar task

Thimerosal, which contains an organic compound of mercury, has mostly been phased out as a preservative for vaccines. Here’s how we know it is safe and why we still use it in some vaccines given to adults

Researchers and expert seafarers teamed up to re-create an ocean journey from more than 30,000 years ago

The kids are out of school, and some of the pressures may be off. Here’s how you can further connect with them to make next year a little easier

Employees at the National Science Foundation say they’ve been blindsided by a plan for the Department of Housing and Urban Development to take over their offices

Scientists are just beginning to document sexual synesthesia, a phenomenon that can bring consciousness-altering washes of color and fantastical scenes at the moment of orgasm

Answering the question of when consciousness emerges is deeply tied to the mystery of what it actually is and how it can be measured

Claims that an asteroid or comet airburst destroyed the biblical Sodom captured the public’s imagination. Its retraction shows that scientific conclusions aren’t decided by majority rule in the public square

These graphics will guide you through science-based vaccine guidelines for children and adults

The bird flu was long known to poultry farmers. Here’s why the dairy industry was caught off guard by its jump to cattle.

New research highlights the risks and occasional rewards of parental perfectionism

When extreme heat arrives, here are science-based tips to keep your home cool, from the most efficient way to use air conditioning to strategic uses of fans

Nuclear policy specialist David Albright explains how his organization is monitoring for damage to nuclear sites following U.S. and Israeli strikes

Inspired by superconductivity, a strange new theory that seeks to explain dark matter might explain dark energy, too

The brain weighs factors based on their importance to oneself and one’s social world as part of a complex calculation that shapes behavior

In the early 20th century, a mathematician and economist sought the optimal strategy for Holmes to escape Moriarty’s pursuit

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began

Power-hungry AI and associated data centers could make the grid cleaner, eventually cutting more climate-change-causing emissions than they produce

Massaging one another with kelp could help orcas keep their skin healthy

The first hints that a new strain of avian illness is emerging could be found on this beach on Delaware Bay, where migrating birds flock. Here’s what virus detectives who return there every year know right now.

Astronomy fans can zoom in practically forever into the stunning first images from the Vera C. Rubin Observatory

For more than a century, cars have meant freedom, escape and self-reinvention to Americans. Now Tesla’s forthcoming Cybercab makes us ask whether we can have the romance of the open road without actually driving it

A Denisovan skull has been identified for the first time. The find was based on proteins and calcified dental plaque

NOAA’s Hurricane Hunter airplane missions significantly increase the accuracy of hurricane forecasts, but President Trump’s proposed budget cuts jeopardize the data-gathering efforts and other forecasting tools

Spacecraft can get a significant boost by stealing energy from planets

As more men turn to testosterone replacement therapy (TRT) for energy, mood and muscle, experts warn the risks are still not fully understood.

Data from beach cleanups show that banning or taxing single-use plastic bags makes a difference in ecosystems

Researchers bring a SETI approach to the question of what—if anything—humpbacks’ underwater smoke rings might be trying to “say”

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most overlooked—astronomy project of the 21st century

The latest catastrophic explosion of a Starship upper stage is a significant setback for SpaceX

As the first trained Black TV meteorologist, June Bacon-Bercey always worked to help women and people of color to follow in her footsteps

The Supreme Court has decided to uphold a state ban on gender-affirming care for minors in U.S. v. Skrmetti

American military engineers designed the GBU-57/B bomb to devastate deeply buried bunkers without radioactive fallout. It’s the only nonnuclear weapon that can reach Iran’s hardest target

Health specialists were put on leave, and a report on how to protect 20 million workers from wildfire smoke has stalled

New research shows father-daughter relationships have a positive influence on female baboons’ lives—when the dads stick around

The strength of Earth’s magnetic field and the amount of oxygen in its atmosphere seem to be correlated—and scientists want to know why

Food microbiologists explain how to ensure different proteins, such as beef, chicken and pork, are prepared safely

We’ve all heard the saying “you are what you eat”—especially when it comes to gut health. But what if your workout matters just as much as your diet?

Screwworm parasites primarily infect livestock, but human cases have risen in Central America after the pests escaped containment

Researchers have used cosmic explosions called fast radio bursts to illuminate the intergalactic medium