Despite almost being hunted to the brink of extinction, sea otters in the United States are seeing an important recovery. Sea ...

These crystals of xylindein are a rare sight, according to Nojus Osinskas, a chemistry student at the University of Chicago.

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After 545 entries from 155 photographers in 35 countries, the winners of this year’s Astrophotography Prize Photographer of ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...