Science

Newly released emails from an influential group issuing transgender medical guidelines indicate that U.S. health officials lobbied to remove age minimums for surgery in minors because of concerns over political fallout.

Public employees in West Virginia who took the drugs lost weight and were healthier, and some are despondent that the state is canceling a program to help pay for them.

The New York Times and KFF Health News are looking into a dreaded “adulting” milestone: finding your own medical insurance at 26.

Dr. Vivek Murthy is calling for a multipronged effort to reduce gun deaths, modeled on campaigns against smoking and traffic fatalities.

Earth’s crust teems with subterranean life that we are only now beginning to understand.

Astronomers have found the earliest and most distant galaxy yet.

An injection given just twice a year could herald a breakthrough in protecting the population that has the highest infection rates.

In heat waves, chemicals like formaldehyde and ozone can form more readily in the air, according to researchers driving mobile labs in New York City this week.

By studying bees and their honey near decomposing human tissue, researchers at George Mason University hope to give crime scene investigators a new tool for finding the hidden dead.

People all over the world are facing severe heat, floods and fire, aggravated by the use of fossil fuels. The year isn’t halfway done.

Pharmacy benefit managers are driving up drug costs for millions of people, employers and the government.

Here’s what to know about your pharmacy benefit manager and how to find out if you are being overcharged for medications.

Dr. Hans Klingemann, pioneering immunotherapy scientist, has studied whether the innovative treatment could save his two pets.

They’ll be replaced in North America with paper packing, eliminating some 15 billion pillows a year. Plastic film is a major pollutant.

Macaques, reeling from a hurricane, learned by necessity to get along, a study found. It’s one of the first to suggest that animals can adapt to environmental upheaval with social changes.

Agricultural insecticides were a key factor, according to a study focused on the Midwest, though researchers emphasized the importance of climate change and habitat loss.

The founder of the renowned Woods Hole Research Center in Massachusetts, he also helped shape U.S. policies on controlling toxic substances like DDT.

An amateur brewer in Utah gathered rare figs and a strain of yeast from 850 B.C. to make a sour, fruity concoction inspired by ancient Egyptian recipes.

About a mile beneath the sea, the ship suggests that trade in the eastern Mediterranean Sea traveled much farther from the safety of land.

A pair of whales were extricated from the besieged city of Kharkiv and taken to an aquarium in Spain with help from experts around the world.

We have Earth’s off-kilter tilt to thank for the summer solstice, as well as the different seasons.

Some scientists who study youth mental health say the evidence does not support the notion that social media is harmful per se.

The shortage highlights a widening gulf in the standard of care for people with diabetes, most of whom live in low-income countries.

A year after the first deaths of divers who ventured into the ocean’s sunless depths, an industry wrestles with new challenges for piloted submersibles and robotic explorers.

A mass of birds died in Chicago in October after striking one building, adding to the push for more protections in one of the most dangerous cities for avian migration.

“Obesity first” doctors say they start with one medication, to treat obesity, and often find other chronic diseases, like rheumatoid arthritis, simply vanish.

The labor and environmental groups are pushing the change so relief funds can be used in more situations.

While trying to save large amphibians native to Japan, herpetologists in the country unexpectedly found a way to potentially save an even bigger species in China.

A few “reasonable precautions” can help people keep their pets safe from the H5N1 virus, experts say.

In high-tech labs, workers are generating data to train A.I. algorithms to design better medicine, faster. But the transformation is just getting underway.