When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and astronauts.

The next full moon is a special supermoon. The first of three to occur this year. When to watch and what to know.

As of Thursday, Oct. 10, the moon phase is Waning Gibbous. Tonight, only 84% will be lit up, according to NASA's Daily Moon ...

If you’re the kind of person who gets a lot done, you’re grateful for every one of the 86,400 seconds that make up a day. On July 9, however, as well as on July 22, and August 5, you won’t get your ...

A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our ...

"It is incredible that modern telescopic surveys have the ability to detect such small objects up to millions of kilometers away." Half a dozen fragments of the moon may briefly orbit Earth at any ...

(Photo by Planet Observer/Universal Images Group via Getty Images) 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 ...

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 ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without ...