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onEarth

The planet is our beat.

Uncharted Waters

NOAA’s latest expedition into the deep finds lots of little, mysterious creatures off Puerto Rico.

Twinkle, Twinkle

Photographers try to capture the stars in the sky. (You know, the ones you can never see.)

One Million, Two Million, Three Million Years Ago…

Global atmospheric CO2 is now above 400 ppm. It’s the first time since…when exactly?

When to Bet Against the House

Will the threat of water shortages be enough to convince Vegas to stop gambling on overdevelopment?

Guns N’ Elephants

Guitarist Slash thinks the ivory trade is so not rock ‘n’ roll.

Not a Creature Was Stirring—Except for the Power Meter

Nearly one-quarter of home energy goes to energy vampires. Who can save us?