The eye chart with the big "E" on top is called a Snellen Chart.
Nevada's Basin and Range, California's Berryessa Snow Mountain and Waco Mammoth in Texas are the country's three newest monuments, containing a million new acres of federally-preserved
Who decides what emoji are allowed to exist?
Here's a handy guide to decoding the symbols on the cosmetics you use every single day.
These facts are yours and mine. Ayyy!
As it turns out, it’s a relatively new designation.
During the 17th and 18th centuries, people knew electricity was the next big thing—they just weren’t sure how to use it. So they tried it all.
A new study disproves a theory about how polar bears handle food shortages—and that's bad news for the bears.
An interactive map of food-related hashtags from around the world reveals which cities are the social media capitals of everything from churros to pierogis.
Here's what happens when you bask too long in the sun's rays.
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