The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

During its initial molten phase, the Moon experienced tidal bulges on its near and far sides due to Earth's immense gravitational pull. The Moon's rotation initially carried these gravitationally ...

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 ...

The standard day on Earth consists of 24 hours, which is 1,440 minutes and 86,400 seconds. However, shorter days are ahead in the next few weeks. The rotation of the Earth changes due to several ...

Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...