Earth Day began as a protest in 1970, but its meaning has evolved. Here’s how it changed - and what it represents today.

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

Earth’s story may have hardened into place almost as soon as the Solar System began. That is the striking claim in new ...

1. The Earth Rotates Every 24 Hours No matter how many times you set it, your watch will always be a little off. That’s ...

Millions of people around the world will pause Wednesday, at least for a moment, to mark Earth Day. It's an annual event ...

About 71% of Earth’s surface is covered by water, and 96.5% of that water is found in the oceans.

Add Yahoo as a preferred source to see more of our stories on Google. Earth's magnetic field is like an invisible shield that protects our planet from solar and cosmic radiation. While it might not be ...

From the moon's formation to the Earth's core, some of the planet's biggest mysteries are still wide open Fascinating ...

Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Oct 23, 2025, 12:48pm EDT Oct 23, 2025, 01:42pm EDT Illustration ...

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 ...

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 ...