Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

February's full Snow Moon will have a royal companion as it rises alongside Regulus, a star nicknamed "Heart of the Lion", ...

Carlos Villagomez owns a golf ball that he believes was flown to the moon. If indeed it was, he may also hold the answer to a ...

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

Last quarter: The moon has moved another quarter of the way around Earth, to the third quarter position. The sun's light is now shining on the other half of the visible face of the moon.

The snow moon will reach peak illumination on Feb. 12 at 6:53 a.m. ET/7:53 a.m. CT. Other names linked to February's full ...

Despite predictions that the asteroid might become a temporary mini-moon whirling around Earth, the space rock ... who were eager to find more, but no other candidates have emerged until 2024 ...

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.

(The most famous quasi-moon of Earth is probably Kamo'oalewa ... Cardea was up against six other finalists in the 2004 GU9 name contest, each of which has an equally rich history.

(The most famous quasi-moon of Earth is probably Kamo'oalewa ... Credit: Wikimedia Commons Cardea was up against six other finalists in the 2004 GU9 name contest, each of which has an equally ...