Earth, ourhome planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth ...
Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet ...
Its gravitational pull is slowing the Earth’s rotation—a process called tidal braking—which is increasing the length of our day by 2.3 milliseconds per century, according to the BBC.