Behind the scenes of the Bluebottle uncrewed surface vessel lies an idea that grew from a hobbyist’s experiment to become ...

“In the universe, an absolute vacuum is rare, and most of the universe is very low-density high-temperature plasma,” said Chris Impey, an astronomer at the University of Arizona. “In principle, sound ...

Residents are grappling with extreme heat made even more unbearable by the persistent lack of electricity. As temperatures ...

Internal instructions accessed by Canada’s National Observer show that the chatbot produces tailored scripts, petitions, ...

Solar raindrops—plasma streams in the Sun’s corona—are now visible thanks to adaptive optics, helping scientists study solar ...