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

Millions of people around the world will pause, at least for a moment, to mark Earth Day. The annual event is Wednesday.

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

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

Here's what to know about Earth Day 2026 and how the holiday came to be.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. No, Earth will not have "two moons until 2083," but asteroid 2025 PN7 has joined Earth's orbital path, with the tiny fleet of ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. New research shows that rising sea levels caused by melting ice sheets ...

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 ...

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 ...