The planet is almost 25,000 miles around and 4.54 billion years old, and humans are still discovering some of the amazing ...
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12 things you were lied to about Earth
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 ...
From the moon's formation to the Earth's core, some of the planet's biggest mysteries are still wide open Fascinating ...
About 71% of Earth’s surface is covered by water, and 96.5% of that water is found in the oceans.
Astronauts and robotic spacecraft have captured breathtaking photos of Earth from space for decades. See the best images.
How much do you know about our planet? Here are the amazing, odd and downright cool Earth facts scientists learned in the ...
Earth Day began as a protest in 1970, but its meaning has evolved. Here’s how it changed - and what it represents today.
See stunning photos of Earth taken from space by astronauts and robotic spacecraft, celebrating our home planet on Earth Day.
Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...
In a year of grim climate and environment news, we’ve compiled several hopeful signs about our planet’s future.
Earth Day 2026 is the largest civic observance on the planet. Yet few organizations mark it. Here are four actions to take ...
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