Earth
What is the summer solstice? Here’s what you need to know.
10 of the best Sir David Attenborough documentaries to watch
Scientists record coldest ocean temperature in Earth's history
What is Imbolc? This Celtic festival welcomes spring—in February
This asteroid is spilling secrets about how life on Earth began
Here's why Earth is closer to the sun on January 3
Earth always has more moons than you think
How to see the northern lights—and why they’re more common now
Could ‘the big one’ in Cascadia trigger the San Andreas?
Every season actually begins twice—here’s why
Why did the Russian 8.8 megaquake happen now?
This summer has seen the shortest days in Earth’s recorded history
The most mysterious forms of lightning on Earth
The Golden Records tell the story of Earth. Here’s what they say.
Yvon Chouinard on why he gave away Patagonia
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