Researchers believe the “quasi-satellite” has accompanied Earth since 1957.

We now have direct images of two supermassive black holes: M87* and Sag A*. The fact that we can capture such images is ...

A new study suggests lunar soil contains elements that solar wind transported to the moon from Earth’s atmosphere, solving a ...

NASA is inviting the public to add their names to a historic lunar mission known as Artemis 2 that is due to launch between ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar wind and our planet's magnetic field, upending a 20-year-old theory based ...

The U.S. is the only country to have ever sent humans to the moon.

Here's what to know about the Saturn and moon conjunction and how to view the celestial event.

What’s different about this 10-day test flight is not only that it returns astronauts to the vicinity of the moon for the ...

A rare total lunar eclipse on Mar. 3 will bring a 58-minute “blood moon” to North America. It’s the only total lunar eclipse ...

Crystals hidden in Australia’s oldest rocks have revealed new clues about how Earth and the Moon formed. The study suggests ...

Look to the west-southwest after dark on Thursday, Jan. 22, to see a 17%-lit waxing crescent moon moving close to the ringed planet Saturn.