The crater, named after geologist and lunar surface expert Tom McGetchin, spans more than two football fields wide ...

In a new study, astronomers detail observations of what could be the first known exosatellite - a natural object orbiting a ...

And an Apollo 16 mystery solved.

Around 4 billion years ago, an asteroid hit the Jupiter moon Ganymede. Now, a researcher realized that the Solar System's biggest moon's axis has shifted as a result of the impact, which confirmed ...

Images taken by the Lunar Reconnaissance Orbiter led to the discovery of a moon crater that’s 728 feet wide. Impacts like ...

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Add Yahoo as a preferred source to see more of our stories on Google. Earth and the Moon both record evidence of a 'lost' period of bombardment. (NASA) Tiny crystal grains trapped inside a meteorite ...

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

The “invisible conditions” that support the planet Earth—The moon floats in the night sky as if it were a matter of course.However, this celestial body is not merely a “satellite of Earth.”If the moon ...

Humans love an origin story. And in space science, there is no greater question than why Earth is the vibrant, living planet we see today. As humans return to the heavens, understanding our planetary ...