| Skywatchers in parts of South America experienced a rare total solar eclipse on Monday. |
| The Geminid meteor shower is the last one of the year and it's set to give stargazers a great show, experts say. | Archaeologists in Mexico have found 119 more human skulls in a grisly Aztec "tower of skulls." |
| If you've ever wondered what space sounds like, NASA has you covered. | Experts have uncovered a rare artifact from World War II, an Enigma machine, used by the Nazis to prevent the Allies from learning their secrets. |
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