St. Patrick's Day is mostly a U.S.-based event, though cities around the world do celebrate with lots of green and lots of beer. Every year on March 17, people around the world celebrate Irish ...
The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ago, the ...
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