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This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more ...

I’ve been practicing yoga for over 20 years. In that time, I’ve realized there are countless mats to choose from in various colors, designs, shapes and sizes. This means that finding the perfect mat — ...

A silent traveler has recently made its presence known in the dark velvet of our solar system. This has sparked a debate that goes back to the very beginning of time. 3I/ATLAS, the third interstellar ...