The Single Most Mind-Altering Photograph Humanity Has Ever Taken

When you see photographs of the Earth from far away, the implications may not immediately be clear. Listen as Carl Sagan breaks it down.

This photograph of Earth taken by Voyager 1 was dubbed "Pale Blue Dot."


Image via NASA.

For more videos featuring the calming bass of Carl's voice, check out The Sagan Series on YouTube.

Ready for the weekend? Of course, you are. Here's our weekly dose of good vibes to help you shed the stresses of the workweek and put yourself in a great frame of mind.

These 10 stories made us happy this week because they feature amazing creativity, generosity, and one super-cute fish.

1. Diver befriends a fish with the cutest smile

Hawaiian underwater photographer Yuki Nakano befriended a friendly porcupine fish and now they hang out regularly.

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