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 5 minute read Space We drilled deep under the sea to learn more about mega-earthquakes and tsunamis The Japanese drilling vessel Chikyu. (Japan Agency for Marine-Earth Science and Technology) Morgane Brunet, Université du Québec à… byMorgane BrunetSeptember 2, 2025