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The sun's magnetic fields are a twisty, curvy, ever-changing mess. In particular, our star's polar regions host areas called polar coronal holes, which contain invisible magnetic highways that stretch into interplanetary space. But there's a lot we don't know about how those highways actually w...
Radicals, atoms or molecules that readily react with other substances to form new bonds, are useful tools for building complex substances such as pharmaceuticals. But even when a radical is generated efficiently, the reaction cannot continue unless the catalyst returns to its original state.
A national survey has found that key mental health measures for teenagers have significantly improved from their worst levels during the pandemic.
The TMS-10 is on track to complete a test flight by the end of the year. The post China’s new supersonic plane could travel twice as fast as sound appeared first on Popular Science .
NASA astronaut and commander of the agency’s Artemis II mission, Reid Wiseman, a Baltimore native, takes a selfie with fans at an NFL game between the New Orleans Saints and the Baltimore Ravens at M&T Bank Stadium, Sunday, Sept. 20, 2026, in Baltimore.