Add Yahoo as a preferred source to see more of our stories on Google. You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth ...

How much do you know about our planet? Here are the amazing, odd and downright cool Earth facts scientists learned in the ...

Fifty-six years after the first one rallied 20 million people across America, “we need to do things that make us feel more ...

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...

The Earth is pretty good at keeping its pace. However, variations do happen. And on three separate days this summer—July 9, July 22, and August 5—the Earth will spin notably faster than usual. Of ...

The realizations on social media align with what researchers have long known about Earth's composition.

Our planet is a cosmic marvel spinning through space at incredible speeds, harboring an estimated 8.7 million species, and maintaining the perfect conditions for life as we know it. Yet despite living ...

Amid the cold silence of the main belt, a giant rock drifts through space. It has existed for billions of years unchanged, but today, it will be irrevocably broken. Another rocky object hurtles toward ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around Earth. Unlike the Earth's moon, quasi-moons are not gravitationally bound ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...