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In a statement on Tuesday, U.S. authorities said they are "reviewing data involving six reported U.S. cases of a rare and severe type of blood clot in individuals after receiving the J&J vaccine."

In Paris, a new chapter in one of sport's greatest rivalries begins this weekend at the French Open. Roger Federer and Rafael Nadal have switched positions at the top of men's tennis. The transition from Federer, the former No. 1, to Nadal, the current top dog, has featured epic matches and displays of raw emotion.

Collins was the crew member who stayed in orbit on the Apollo 11 command module while Neil Armstrong and Buzz Aldrin walked on the moon. Later he oversaw building of the National Air and Space Museum.

Building and operating telescopes can generate a lot of greenhouse gases. In fact, it's as if each astronomer in the world was driving more than 100,000 miles per year, a new study finds.

FTX CEO Sam Bankman-Fried says that, until investors get used to higher interest rates, risk assets, including cryptocurrency, won't recover.

In the week since the first images from the James Webb Space Telescope were unveiled, astronomers have been poring through all the observations it's made so far--and they're happily overwhelmed.

Why are U.S. tech investors so worried about DeepSeek, the Chinese artificial intelligence company whose new chatbot is now among the most-downloaded free apps in the U.S.?

NPR's Ayesha Rascoe talks to Jennifer Tuohy of The Verge about changes to Amazon's smart speakers. Users will no longer be able to opt not to have their voice recordings sent to the cloud.

The New York Times and Chicago Tribune sued Perplexity last week, the latest in a series of publishers suing AI companies in a bid to set boundaries around a new technology powered by information.

Composer-bandleader Maria Schneider's The Thompson Fields and alto saxophonist Rudresh Mahanthappa's Bird Calls tie for top album honors among 147 writers and broadcasters.