Leap seconds have helped keep clocks synchronized with Earth’s rotation, but their time is now over – here’s why
300 glaciers have disappeared from the American West since the mid‑20th century – the survivors have a few things in common
Read More 3 minute read Earth Climate change is altering Saharan dust – and Europe is downwind ragusaliaga / shutterstock Hossein Hashemi, Lund University In recent years, residents of Spain, France and the UK have… byHossein HashemiApril 9, 2026