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

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

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 ...

created the huge tsunami also changed the Earth’s rotation. Dr. Benjamin Fong Chao, of NASA’s Goddard Space Flight Center, Greenbelt, Md. and Dr. Richard Gross of NASA’s Jet Propulsion Laboratory, ...

Does it feel like there's not enough time in the day for everything? Well, that could be because some upcoming days are actually getting shorter. In fact, today might just be the shortest day you'll ...

NASA is tracking a plane-sized asteroid known as 2025 XM as it hurtles toward Earth’s neighborhood at roughly 9,753 miles per ...

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

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

NASA astronaut Don Pettit already has a long-held reputation for creating stunning space photography, and his latest effort will only bolster it. Shared on social media on Thursday, the image (top) ...