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

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 ...

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

With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its ...

If the scientists could very precisely measure the proportions of lutetium and halfnium in moon rocks compared to other ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Blue Ghost ...