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 4 minute read Earth One of the world’s most important climate threats has an image problem Fionagh Thomson, Durham University Deep in the Atlantic, a vast circulation of water carries heat from the tropics… byFionagh ThomsonJune 25, 2026