SpaceMy encounter with a different and deeply mysterious kind of corona While teaching solar physics this year, I was once again drawn in by the mystery of why the sun's corona is so inexplicably hot, says Chanda Prescod-Weinstein Comment
TechnologyTech companies don’t get science fiction – and that's deeply troubling Facebook's parent company wants to build a 'metaverse'. The fact that it doesn't grasp the name's connotations is symptomatic of a wider problem, writes Annalee Newitz Comment