Earth: Our Fragile Planet w/ Katherine Calvin, Senior Climate Advisor to NASA

Celebrating Earth Day with Katherine Calvin, Senior Climate Advisor to NASA, as we look at our home world!

Earth — the planet nearest and dearest to our hearts (not to mention our feet) is our planetary cradle, and for now, our only home. As our species reaches…




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The Cosmic Companion

The Cosmic Companion

Writing about space since I was 10, still not Carl Sagan. Weekly video show, podcast, comics, more:

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