From the moment French inventor Pierre-Simon Girard filed the first patent to capture wave motion in 1799, engineers have dreamt of lighting ...

The shortest day on record may be approaching as Earth spins faster than ever. Learn what’s behind the shift and how this ...

#11. The Moon’s temperature can vary from 242° Fahrenheit in a sunny spot to −334° Fahrenheit in a shady spot near one of its ...

Stargazers in the U.S. will find the slender form of the crescent moon roughly 20 degrees above the western horizon right at ...

Find out what's up in your night sky during July 2025 and how to see it in this Space.com stargazing guide.

You might have seen the claim online, and it’s at least partially right, but it's not the only other number of days Earth has had.