On anniversary of first Earth Day, a look at what's happened since. April 22, 2010— -- On April 22, 1970, the very first Earth Day, more than 20 million people joined in demonstrations across the ...

A billion years ago, days lasted 19 hours: the balance between the oceans, the atmosphere, and the Moon slowed down the Earth ...

Next year, Brunswick will have its own Earth Day Festival on April 25, 2026, at Harriet Beecher Stowe School, and the ...

Earth takes 24 hours to complete a full rotation in a standard day, equal to exactly 86,400 seconds. July 9 was the first of three days in which a millisecond or more could be shaved off the clock on ...

Why is Earth spinning faster? A day on Earth lasts roughly 86,400 seconds, or 24 hours — the time it takes for the planet to fully rotate on its axis. But the speed of this rotation depends on many ...

As Earth spins faster than it has in decades, atomic clocks are catching the difference, and shorter days are on the horizon. When you purchase through links on our site, we may earn an affiliate ...