Florida lifted restaurant restrictions. Many SAT testing sites are closing amid concerns over the virus. Argentina’s death rate is soaring.
Experiments with a polymer led him to create the breathable, waterproof material used in numerous applications, including ski jackets and medical implants.
New genetic evidence builds the case that single-celled marine microbes might chow down on viruses.
Workers were followed, videotaped and threatened in confrontations across Minnesota, the state Department of Health said.
It was far from clear that Republican and Democratic negotiators would be able to reach a deal. Rio de Janeiro’s annual Carnival parade will be delayed for the first time in decades.
Court losses are piling up for President Trump's environmental deregulation agenda. But a second term in the White House could help them stick.
The effort to open the Alaskan wilderness area, the nation’s largest national forest, has been in the works for about two years.
The secret may lie in an “innate” immune response that targets unrecognized invaders, scientists say.
Improving technology could make it possible to better anticipate weather conditions weeks in advance, especially in the tropics.
This year’s events come amid a climate reckoning in the world’s richest country. Here are the takeaways.
Coronavirus cases in the United States surpass 7 million less than a month after reaching 6 million. Israel imposes new limits on citizens traveling abroad as cases surge.
An artist and movie production designer, he helped shape the aesthetics of science fiction with his work on movies including “Star Wars,” “Alien” and “Back to the Future.”
Infections among young adults eventually may have spread to older, more vulnerable people, the C.D.C. reported.
The health insurance group may pay $2.7 billion to resolve allegations that the chain blocked competition.
The Maryland company, which has never brought a vaccine to market, has started its Phase 3 trial in the United Kingdom, with plans to begin in the United States in October.
Gov. Andrew M. Cuomo of New York said his state would conduct its own review of vaccines authorized by the federal government amid concern that the approval process has become politicized.
The “blob” of hotter ocean water that killed sea lions and other marine life in 2014 and 2015 may become permanent.
Anxiety and uncertainty about the pandemic are leading some patients to delay surgery. But how safe is that when you have an aneurysm in your heart?
The large arachnids have long been thought to be colorblind, but new evidence suggests they can perceive each others’ brilliant coloring.
Dr. Anthony S. Fauci and three other top U.S. health officials told lawmakers they would take a vaccine approved by the F.D.A. Johnson & Johnson announced plans to enroll 60,000 people in a major vaccine trial. Israel will tighten its coronavirus restrictions on Friday.
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