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 Earth Space Our moon has been slowly drifting away from Earth over the past 2.5 billion years The moon is currently moving 3.8 cm away from the Earth every year. (Shutterstock) Joshua Davies, Université du… byJoshua DaviesNovember 3, 2022