New maps seek to update the historical range of our continent’s toughest canids, which have thrived as other predators experienced decline.
NYT > Science
Now that grizzly bears have been dropped from the endangered species list, the first big hunt in 43 years is set for September, allowing 22 grizzlies to be shot.
Even if the technology can bring back the northern white rhinoceros, should we do it?
Paleontologists found a 130 million-year-old haramiyid fossil in Utah, suggesting that the ancient relatives of modern mammals spread farther across the globe than thought.
Bringing the numbers to life for the jewel in Bolivia’s conservation crown.
The genome obviously varies from person to person. But it can also vary from cell to cell, even within the same individual. The implications of “mosaicism” are enormous.
An asteroid that cohabits an orbit with Jupiter came from outside the solar system.
The invasive insects turned up in Pennsylvania in 2014. Now the state has placed 3,000 square miles under quarantine, and scientists worry the pest will spread.
You may have forgotten about the nucleolus since you took biology class, but scientists think this structure inside every cell in your body may play an important role in aging.
A new vaccine and other experimental drugs now are available to fight the outbreak. But first physicians must overcome the suspicions of a frightened populace.
The ball is not juiced, it’s just more aerodynamic. But not even scientists hired by M.L.B. can explain precisely why.
The season begins June 1 and experts predict it will be near normal or above normal, but a single storm can cause tremendous damage if it makes landfall.
Here’s a guide to help you recognize the symptoms of migraines, understand why the signs are so often missed, and think about treatment options.
Medical and scientific breakthroughs, some with ethical concerns, are being used to help people.
Trying to solve the problems that are affecting our world, and believing that they can make a difference.
In Brazil, the world’s eighth-largest producer of wind power, the wind industry brings both benefits and disappointment.
Carbon dioxide helps plants grow. But a new study shows that rice grown in higher levels of carbon dioxide has lower amounts of several important nutrients.
A hardy few have visited every park, monument, preserve, battlefield and historic site overseen by the U.S. National Park Service. It can take decades.
Baby pigeons take only a month to become fully developed and leave the nest, which is usually hidden and high up on a window ledge or rooftop.
“Drain the swamp” jabs were abundant on Twitter, but joking aside, the phrase has some geological merit. There is a “legitimate swamp” around the White House, an expert said.
The planet’s orbit alternates from elliptical to almost perfectly circular — and has for hundreds of millions of years.
Forty years after creating its “essential medicines” list, which revolutionized the struggle to get drugs to the poor, the agency tackles diagnostics.
Guideposts to powerful treatments may be buried in the nation’s medical records. But there is no easy way to gather those records or to get them into a usable format.
In “Bad Blood,” John Carreyrou tells of the rise and incredible fall of Theranos, the biotech company that was going to revolutionize blood testing.
The country has come tantalizingly close to eradicating the virus in recent years, only to be foiled by instability, mistrust and attacks on vaccinators.
A break in the 31-year-long investigation of the killings in Washington State of a young Canadian couple came after DNA was uploaded to an ancestry website.
The eruptions at Kilauea offer a glimpse into the range of temperatures for volcanic magma and lava.
At the National Museum of the American Indian, imagiNATIONS emphasizes native innovations in math, science and engineering.
Hungarian archaeologists think they have an explanation for an unusual form of mummification, but their solution poses a new mystery.
The cases of Dr. Larry Nassar and Dr. George Tyndall involve touching and comments that gynecologists say are highly inappropriate.