A super-charged solar storm known as the “Gannon event” forced the Earth’s plasmasphere—a doughnut-shaped shell of charged particles that normally envelops the planet—to shrink to roughly one-fifth of ...

When it was erected in 2019, the giant shell over the damaged nuclear reactor in Chernobyl was one of the biggest structures ever moved by humans. In February a Russian drone put a hole in it. For ...