An initial shipment of about 2.9 million doses of the vaccine will be sent around the United States over the next week.
A two-week virtual negotiation begins on the most critical climate change report since 2013.
His discoveries deepened understanding of the basic forces at play in the universe, and he took general readers back to its dawn in his book “The First Three Minutes.”
The auto giant bet on hydrogen power, but as the world moves toward electric, the company is fighting climate regulations in an apparent effort to buy time.
The meteor is believed to have landed in a forest after flashes of light were seen across Norway.
Dozens of viruses don't use the same four nucleotide bases found in all other life. New work shows how this is possible—and perhaps more common than we think.
You know you have a good job when it lets you try a jetpack. But after 21 years of thrills at The Times, it’s time for my next adventure: the classroom.
The U.S. vaccine rollout has plateaued and the course of the coronavirus pandemic in this country may depend on how many people are ultimately swayed to get vaccinated.
He explored how viruses multiply. An accomplished administrator, he also turned the Howard Hughes Medical Institute into a global biomedical powerhouse.
The US government has tightened rules on which space-goers can claim their astronaut wings.
The new numbers still show overwhelmingly strong protection against severe disease but diminished effectiveness against infection.
Plus, orphaned grizzlies, baby deer in the shower, hoot-owl restrictions and more in the Friday edition of the Science Times newsletter.
In British Columbia, researchers have undertaken a unique challenge: tracking orphan grizzly cubs, reared in a shelter, to see whether they can thrive back in the wild.
Scientists have never before gotten such a clear view of moons in the making.
The complete genome uncovered more than 100 new genes that are probably functional, and many new variants that may be linked to diseases.
Swift, deadly flooding in China this week inundated a network that wasn’t even a decade old, highlighting the risks faced by cities globally.
NASA’s InSight mission revealed Mars’s inner workings down to its core, highlighting great differences of the red planet from our blue world.
An AI program has been used to predict the structures of nearly every protein in the human body.
DeepMind has given 3-D structure to 350,000 proteins, including every one made by humans, promising a boon for medicine and drug design.
This is as close to a shark’s intestines as you’ll probably ever hope to get.
New research suggests the iconic Xerces blue butterfly may have been its own species.
The law aims to take the cost burden of recycling away from taxpayers. One environmental advocate said the change could be “transformative.”
The 13m-long, 20-tonne Nauka laboratory is finally going into orbit after a delay of 14 years.
This might turn out to be a crucial window to try to prevent Alzheimer’s and other chronic diseases that often accompany older age.
After documenting a last-resort treatment at one hospital, a photographer who spent hours in patients’ rooms describes capturing the humanity of the struggle.
Scientists are excavating one of the most important Jurassic sites ever discovered in the UK.
Many who received the shot may need to consider boosters, the authors said. But federal health officials do not recommend second doses.
As a graduate student in the 1980s, Tracy Stone-Manning was linked to a tree-spiking effort by environmentalists. Republicans say that makes her unfit to lead the Bureau of Land Management.
The world’s richest man thanked Amazon employees and customers for making his flight to space possible.
In recent years, researchers and wildlife officials in Australia and the United States have adopted terms like “bites,” “incidents” and “encounters.” They wish the public would, too.
US climate envoy John Kerry says help from China is needed to avoid a dangerous rise in heat.
The Amazon founder and three others lifted off in Blue Origin’s New Shepard spacecraft, fulfilling a goal more than 20 years in the making.
Here's what you need to know about the first Blue Origin New Shepard rocket flight with passengers on board.
The agreement would end thousands of lawsuits against the three largest distributors and Johnson & Johnson and require them to pay billions for addiction treatment and prevention.
The Amazon founder is poised to lift off from a site in West Texas with three other people, fulfilling a key goal of his private rocket company.
I constantly worry I’m forgetting a deadline, that I’ll be late, that my life is slipping through my fingers. Thinking about geologic time gives me perspective.
Overblown fears have turned the public against genetically modified food. But the potential benefits have never been greater.
En un logro antes inimaginado, unos electrodos implantados en el cerebro del hombre transmiten señales a una computadora que muestra las palabras que intenta decir.
Neural networks could give online education a boost by providing automated feedback to students.
It’s baby-animal season in the towns north of New York. But with many of the mothers gone missing, humans are stepping in to help out.
The Amazon founder’s spaceflight company will carry people to space for the first time on Tuesday. Here’s what you need to know.
Unpredictable winds, fire clouds that spawn lightning, and flames that leap over firebreaks are confounding efforts to fight the blaze, which is sweeping through southern Oregon.
The variant can dodge some of the immune system’s defenses, but is still vulnerable to vaccines.
The Bootleg Fire has burned an area larger than New York City and forced thousands to evacuate.
Billionaire Jeff Bezos is about to launch into space in the first crewed flight of his rocket ship.
Senators will introduce a plan on Monday to tax iron, steel and other imports from countries without ambitious climate laws.
Ms. Funk’s trip to space with Jeff Bezos is reason to celebrate. But the launch this week, decades after she was denied the opportunity, also raises questions about whom space is for.
The science behind the idea of restoring the intestinal microbiome to an ancestral state is shaky, skeptics say, and in some cases unethical.
Cats and dogs can be infected by the coronavirus — but cats are more susceptible to infection, a new study suggests.
Engineers restore the Hubble Space Telescope to full operations, after a computer glitch in June.
A group of biologists and other scientists said humans began growing cannabis about 12,000 years ago not just for food, but also for hemp and, yes, probably to get high.
If any nook of American agriculture has the means and incentive to outwit the climate crisis, it is Napa Valley. But so far, vineyards here show the limits of adapting to a warming planet.
Una improbable colaboración ha resuelto un antiguo misterio sobre la supervivencia de los caracoles en las Islas de la Sociedad, en la Polinesia Francesa.
Floods swept Germany, fires ravaged the American West and another heat wave loomed, driving home the reality that the world’s richest nations remain unprepared for the intensifying consequences of climate change.