Three Russian astronauts launched to the International Space Station early Friday. A few hours later, their Soyuz spacecraft docked at the space station and, when they boarded the orbiting outpost, they were wearing flight suits of striking colors — yellow and blue, similar to the colors of Ukraine’s flag. The Russian astronauts did not say […]

In years like this one, when the flu vaccine was at best minimally effective, many are skeptical about getting the shots, which are widely available. Dr. Monto said there are efforts underway to produce much better flu vaccines. But, he said, because Congress is not very interested in seasonal flu, the National Institutes of Health […]

Drought conditions are likely to continue across more than half of the continental United States through at least June, straining water supplies and increasing the risk of wildfires, the National Oceanic and Atmospheric Administration said on Thursday. Nearly 60 percent of the continental United States is experiencing drought, which is the largest part since 2013, […]

The Australian magpie is one of the cleverest birds on earth. It has a beautiful song of extraordinary complexity. It can recognize and remember up to 30 different human faces. But Australians know magpies best for their penchant for mischief. An enduring rite of passage of an Australian childhood is dodging the birds every spring […]

Russia’s Sputnik V vaccine against the coronavirus will have to wait longer for a decision on emergency use authorization by the World Health Organization. A W.H.O. official said on Wednesday that the organization was forced to delay the assessment process for the vaccine because of difficulties created by Russia’s invasion of Ukraine. “We were supposed […]

In Australia, poisonous cane toads have become their own worst enemies. For decades, scientists have been witnessing cane toad tadpoles devouring their younger kin in the puddles and ponds they share. The cause of the cannibalistic behavior has been a mystery, until now. A new study, published this month in the journal Ecology and Evolution, […]

Roughly 17 million Americans received the Johnson & Johnson Covid vaccine, only to be told later that it was the least protective of the options available in the United States. But new data suggest that the vaccine is now preventing infections, hospitalizations and deaths at least as well as the Pfizer-BioNTech and Moderna vaccines. The […]

Surfacing The Alps’ glaciers are melting, and these Swiss cartographers have work to do. By Zoey Poll Photographs and Video by Lucia Buricelli Every few years, Switzerland’s national mapping agency dispatches one of its planes to scour every centimeter of the Swiss Alps, the pilot looping back and forth to capture photographs of changes in […]

Researchers also assessed the user-friendliness of each product. “You want to make sure that nothing requires too much force, make sure that it’s easy to grasp, grip,” said Sarah Farmer, managing director of Georgia Tech’s HomeLab. “Let’s streamline it where possible, cut down steps where possible.” Maxim Biomedical, a Maryland-based company that makes a rapid […]

WASHINGTON — Over the past 10 months, as tens of millions of children and teenagers received the Pfizer-BioNTech vaccine, the companies’ main rival, Moderna, sat on the sidelines, its shot limited to adults. But Moderna may now be poised for a comeback at a critical juncture in the nation’s vaccination campaign. The company is expected […]