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…




Exploring the wonders of the Cosmos, one mystery at a time

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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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