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 Earth is trapping much more heat than climate models forecast – and the rate has doubled in 20 years NASA, CC BY-NC-ND Steven Sherwood, UNSW Sydney; Benoit Meyssignac, Université de Toulouse, and Thorsten Mauritsen, Stockholm University How… bySteven SherwoodJuly 6, 2025