The New York Times Science News Feeds

A new study highlights the persistent problems caused by an unstable work force, an underlying threat that may have led to staggering death tolls in the pandemic.

A reconstructed Neanderthal ear adds a new piece to the puzzle of whether the early humans could speak.

Growing numbers of surfers are taking to the Great Lakes — even when the weather is well below freezing.

The black-browed babbler has long been one of Indonesia’s most enigmatic birds.

The condition is becoming more common as immunization rates increase. Experts are suggesting ways to ease patients’ fears and avoid needless testing.

The discovery of Mediterranean recluse spiders at the University of Michigan prompted a two-day closure of one of its libraries.

The authorization of a third Covid-19 vaccine will bring millions more doses within days. But health officials worry that some people will see the vaccine as the inferior choice.

With this last hurdle cleared, formal authorization of the one-dose vaccine is expected on Saturday and distribution within days.

Scientists are urging Americans to upgrade their face coverings. But Amazon, Google and Facebook restrict the sale of medical-grade masks. Critics say the rules are outdated.

At a federal compound in Connecticut, inmates in precarious health “are like sitting ducks,” one lawyer said.

Coronavirus cases at fitness centers in Chicago and Honolulu were linked to carelessness about masks and symptoms, federal health officials found.

Many scientists are expecting another rise in infections. But this time the surge will be blunted by vaccines and, hopefully, widespread caution. By summer, Americans may be looking at a return to normal life.

New climate pledges submitted to the United Nations would reduce greenhouse gas emissions by less than 1 percent, the world body announced.

From a newly certified Whale Heritage Site to scenic byways for electric cars, five new initiatives suggest the travel industry may be envisioning a more responsible future.

During the pandemic, there was a dramatic increase in exposures to hand sanitizer reported among kids under 6, U.S. poison center data shows.

Engineers hinted they had hidden a code in the parachute that landed the Perseverance rover. Within hours, puzzle enthusiasts cracked it.

No Gargantua dwells at the heart of stellar cluster NGC 6397. Instead, a few dozen smaller black holes seem to be swarming around in there, throwing their considerable masses around.

The variant contains a mutation thought to help the virus dodge the immune system, scientists said.

New research suggests that stimulating neurons in the brain can address psychological issues with surprising speed and precision.

A deep dive into dinosaur data suggests that teenage T. rexes and other juvenile carnivores shaped their ecosystems.

Unexpected species of nematodes, some of them new to science, were found living on the skin of the marine mammals.

A new study challenges a common hypothesis about how protecting charismatic species also conserves animals that are less well known.

F.D.A. studies show the shot strongly protects against severe illness and may reduce spread of the virus. But the drugmaker has fallen short of initial production goals.

Senator Joe Manchin III, who oversees the confirmation hearing, said he would support Representative Deb Haaland, President Biden’s nominee to lead the Interior Department.

In what appears to be the first case of its kind, a pair of donated lungs led to Covid-19 in an organ recipient, according to doctors at the University of Michigan.

F.D.A. studies show the shot strongly protects against severe illness and may reduce spread of the virus. But the drugmaker has fallen short of initial production goals.

During the pandemic, suicidal thinking is up. And families find that hospitals can’t handle adolescents in crisis.

You’re going to need some double-sided tape.

Read more about the plans by top officials to move toward something resembling normalcy.

John Kerry’s remarks stood in sharp contrast to the American stance under the previous administration, which tried to block even general mentions of global warming at the world body.

Two studies confirm that a new coronavirus mutant in California is more contagious, although the scale of its threat is unclear.

The pandemic has highlighted the United States’ dependence on China for research animals, reviving calls for a “strategic monkey reserve.”

A new study indicates that the condition might be less of a worry than once believed.

St. Jude Hospital and Jared Isaacman, a billionaire entrepreneur, selected Hayley Arceneaux for a trip to orbit in a SpaceX capsule.