<div dir="ltr">Explore this gift article from The New York Times. You can read it for free without a subscription.<br><br>Did Scientists Just Detect an Exploding Black Hole?<br><br>An underwater observatory recently detected a startlingly energetic cosmic neutrino. One possible cause involves a phenomenon that so far exists only in theory.<br><br><a href="https://www.nytimes.com/2026/03/27/science/astrophysics-neutrinos-black-holes.html?unlocked_article_code=1.W1A.qWMP.6I2De03QUY8j&smid=em-share">https://www.nytimes.com/2026/03/27/science/astrophysics-neutrinos-black-holes.html?unlocked_article_code=1.W1A.qWMP.6I2De03QUY8j&smid=em-share</a></div>