What would Earth look like without water?
From marble blue to very, very brown.
From marble blue to very, very brown.
Over 70 years as humanity has begun to explore space, we have upon occasion, turned our gaze back to our ...
The mantle is a whopping 2,900 km (1,802 miles) thick, and it's by far the thickest layer of the Earth.
The Earth is not a perfect sphere, so the answer might surprise you.
Set, Game, and Match, flat-earthers!
The rock was jettisoned to the moon when early Earth was pounded by daily meteorite impacts.
The planet's innermost layer is more like a soup than a brick.
Some of the most iconic images of Earth from space have been brought to new light.
They keep falling, but not down.
It's been so long since then that direct evidence simply isn't around any more.
You could fit nearly one million Earth-sized planets and the sun isn't even that big of a star.
Maybe this discovery can help us understand them both.
Sea turtles have an internal compass -- but it's not perfect. They can go the wrong way for hundreds of ...
It's going to be a good month for stargazers.
Our planet's core might be pockmarked with hot blobs. We don't know what they are, we don't know where they're ...
It's the strongest evidence yet that Earth's inner core is rotating.
Seasonally appropriate news.
"This is a surprising conclusion," the team admits.
The findings show that plate tectonics started 3.3 billion years ago, coinciding with the period when life started on Earth.
Happy world overshoot day!
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