Two U.S. states and more than a dozen cities and counties have moved in the past year to stop adding fluoride to community drinking water, citing research suggesting the mineral could harm children’s
In the animated movie Up, a boisterous dog wears an electronic collar that translates his doggy thoughts into English words. “My master made me this collar,” he tells his new acquaintances. “He is
Like a lot of people, Ann Garner thought that shingles was a “mild” illness—until 2024, when she became sick with it herself. If she had known at the time that Norwegians call shingles
Spotting a gray whale in San Francisco Bay can be thrilling, but researchers now know it can be bad news for the marine mammals. Nearly 1 in 5 gray whales that enter the
Infectious diseases borne by mosquitoes—such as malaria, dengue fever, and Zika fever—claim more than 770,000 lives worldwide each year. Understanding how mosquitoes find humans has long been a challenge in controlling the spread
The farthest journey in human history concluded Friday evening when NASA’s Artemis II astronauts returned to Earth after a flight around the moon. The crew’s Orion space capsule named Integrity splashed down in
For NASA astronomers, engineers and mission managers, the most critical point of a trip to the moon is not the maneuver around the satellite but rather a much less moment: reentry. That final
Editor’s note: This is a developing story that will be updated later today. Even when you’re one of the first people to go to the moon in half a century, there’s no place
Senior physics writer Emily Conover has a Ph.D. in physics from the University of Chicago. She is a two-time winner of the D.C. Science Writers’ Association Newsbrief award and a winner of the
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