Our 24-hour day measures Earth’s rotation relative to the Sun, known as a solar day. This is slightly longer than Earth’s ...

Earth spun just a bit faster than usual on July 9 and is expected to do so again on July 22 and Aug. 5, according to the website TimeAndDate. Over a millisecond was reportedly shaved off the clock on ...

Physicists at NASA and Princeton generate electricity from the Earth's rotation: could wind energy be our energy source of ...

As if it's not already hard enough to find the time to do everything you need to do in a day, now you're about to lose another whole millisecond or more. In fact, experts say Tuesday, July 22, could ...

Scientists in the United States have created a small device that produces a tiny electrical signal from Earth’s natural rotation. Although the voltage is extremely small, the experiment shows that ...

Earth's days are slowly getting longer. This change is driven by the Moon's gravity and shifts in Earth's mass due to melting ...

Rumors about days extending to 25 hours may hold some truth as scientists observe a gradual slowdown in Earth's rotation.

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

Nearly 200 years ago, a scientist named Michael Faraday tried experimenting to see whether Earth's magnetic field could help ...

Learn how we know the Earth is round, and the science behind the shape of our gravitational field.

New analysis suggests that problems with NASA’s MAVEN Mars orbiter may be more serious than a simple communications glitch.