Stories by Rachel Feltman

As peptide “stacking” takes over social media feeds, we separate the science from the hype of the Internet’s latest wellness obsession

Journalist Evan Ratliff explores what happens when AI agents are given real autonomy to build and run a start‑up from scratch

A look at what makes scorpions so deadly, why there’s hope for preeclampsia and how President Trump is gutting wind energy

Tracing how psychedelics have undergone a revival in the U.S. and what the White House’s new psychedelic push means for research

A physicist explores how poetry, pop culture and imagination help us understand spacetime and our place in the universe

What NASA’s Curiosity Rover found on Mars, how youth suicides dropped after the launch of the 988 crisis line, and what people think of AI voice clones

New research shows the global wildlife trade is rapidly accelerating the spread of animal pathogens that can jump to humans

This Earth Day three environmental experts share stories about times when environmental action succeeded in saving the planet—and explain why this can be done again

“Cocaine hippos,” underground bees, and fresh insights into aging and heart health

Kendra Pierre-Louis steps in as interim host and dives into the science behind why some foods—especially mayonnaise—can gross us out.

Migraine and cluster headaches affect millions—yet research remains surprisingly thin.

Why saying no is harder than it should be.

Hurricane Melissa’s rare intensity and lasting impact reveal how storms are evolving in a warming world.

This Halloween discover how your candy choices can trick—or treat—the microbes in your gut.

TikTok’s U.S. spin-off could reshape its algorithm and the way culture is curated online.

Bird flu surges and a government shutdown collide, complicating efforts to track cases and protect flocks.

Despite the widespread use of medication during pregnancy, a lack of clinical research leaves patients and doctors navigating treatment with dangerously few data.

The words we choose when apologizing—especially longer, effortful ones—can signal sincerity and make our apologies feel more authentic.

A new WHO report warns of rising antimicrobial resistance, and researchers uncover satellite data leaks and insect surprises.

A massive Somali meteorite containing never-before-seen-on-Earth minerals vanished into the black market, raising ethical questions about science and ownership.

Thoracic surgeon Jonathan Villena explains why early screening for lung cancer is critical—even for those without symptoms.

The CDC updates COVID vaccine guidance and stirs controversy over childhood immunizations. And global health experts warn of rising child malnutrition in Gaza.

A former White House physician reveals the medical realities of caring for the president of the U.S.

Astronaut-turned-author Chris Hadfield discusses his new thriller Final Orbit, which weaves real cold war history, space race geopolitics and firsthand experience into a gripping work of fiction.