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When I was a kid, I sometimes played basketball on a schoolyard court next to a brick wall. Bouncing the ball, I’d notice its sound repeated a split second later from the wall’s direction. It sounded a little different, but it was clearly the…

“Then, at some point, they split apart,” says Taylor. “That can be from spinning up fast, or getting hit. That exposes ices and makes them become dark comets.” The process would also spin such objects to high speeds, which happens to be a…

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman.

Representative Eric Sorensen of Illinois spent 22 years forecasting the weather on television before winning his congressional seat in 2022. He now finds himself…

The Perseids — one of the strongest meteor showers of the year in the Northern Hemisphere — will peak on the night of Aug. 12-13. This meteor shower typically brings up to 75 “shooting stars” per hour, but this year, there’s a big problem: a…