Mapping the Sense of What’s Going On Inside

Scientists are learning how the brain knows what’s happening throughout the body, and how that process might go awry in some psychiatric disorders.

By Carl Zimmer

The Forgotten Nuclear Weapon Tests That Trump May Seek to Revive

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United States to resume its testing of nuclear bombs.

By William J. Broad

New Gene-Editing Strategy Could Help Development of Treatments for Rare Diseases

Instead of requiring personalized gene edits for each patient, the new approach could create a standardized method to use for many diseases.

By Pam Belluck and Carl Zimmer

Over 30,000 Miles, a Midwife Navigates West Virginia’s Maternity Deserts

In a state where women drive hours to obstetricians, Staysha Quentrill is part of a small group trying to revive a tradition of community-based care.

By Kate Morgan and Maggie Shannon For The New York Times

Is There a Little Wolf in Your Chihuahua?

New studies of canine genetics shed light on the diversity of dogs and our longstanding, still-evolving relationship to them.

By Emily Anthes

Lemurs in Madagascar Face an Unexpected Killer

Thousands of the endangered primates end up on the dinner plates of people in the upper rung of the country’s society who have money to spare.

By Dina Fine Maron

Researcher’s Smuggling Arrest Casts Light on Dispute Over Chinese Students

As some lawmakers press U.S. universities to curtail ties with China, a postdoctoral student’s prosecution raises questions about how big the danger actually is.

By Ephrat Livni

The Moon Was an Inside Job

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun.

By Robin George Andrews

Lost Science

She Studied How to Protect Children From Pollution and Heat

“There was no warning, no conversation,” said Jane Clougherty, an environmental health scientist, who had a federal grant canceled earlier this year.

By Sachi Kitajima Mulkey

Lost Science

He Helped Cities Anticipate Damage From Storms

Austin Becker developed an early warning system to protect critical infrastructure from storms. His project’s funding was eliminated in April.

By Sachi Kitajima Mulkey

Lost Science

Her Research Could Improve Training for Service Dogs

“This is a type of science that has an impact that most people could see in their homes,” said Erin Hecht, a canine researcher at Harvard. “Now there’s just no money.”

By Emily Anthes

Oil Producers, but Maybe Not the Planet, Get a Win as Climate Talks End

The final agreement, with no direct mention of the fossil fuels dangerously heating Earth, was a victory for countries like Saudi Arabia and Russia, diplomats said.

By Max Bearak and Lisa Friedman

In One Week, Trump Moves to Reshape U.S. Environmental Policy

The Trump administration this week moved to weaken the Clean Water Act and the Endangered Species Act, two bedrock laws, among other deregulatory moves.

By Maxine Joselow

Study Finds Mental Health Benefit to One-Week Social Media Break

Young adults who engaged in a social media “detox” reported reductions in depression, anxiety and insomnia, though it was unclear how long the effects would last.

By Ellen Barry

These Hospitals Figured Out How to Slash C-Section Rates

Financial and social incentives can nudge doctors away from the operating room.

By Sarah Kliff and Bianca Pallaro

A Cancer Diagnosis Brings a New Season of Grief to the Kennedy Family

Tatiana Schlossberg, a daughter of Caroline Kennedy, revealed a terminal cancer diagnosis in an essay published on the anniversary of her grandfather’s assassination.

By Jenna Russell

Kennedy Says He Told C.D.C. to Change Website’s Language on Autism and Vaccines

In an interview, Health Secretary Robert F. Kennedy Jr. cited gaps in vaccine safety research. His critics say he is ignoring a larger point: Vaccines save lives.

By Sheryl Gay Stolberg

Early Signs Point to a Harsh Flu Season in the U.S.

The virus