Largest canyon in the solar system revealed in stunning new images

Mars' Valles Marineris is nearly 10 times as long as the Grand Canyon and three times as deep, but nobody knows how it formed.

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Here's how to watch stunning Quadrantid meteor shower tonight

The Quadrantid meteor shower is peaking, and skywatchers in North America have a good chance of seeing the tail end of the show tonight.

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UK starts giving people the Oxford COVID-19 vaccine

The U.K. authorized the shots for emergency use last week.

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What is renewable energy?

Sustainable sources of energy are renewable and are generally less harmful to the environment than fossil fuels.

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66 Roman Army camps in northern Spain shed light on infamous conquest

Dozens of Roman Army camps have been discovered in Spain, revealing more about one of most infamous Roman conflicts.

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What archaeology will look like in 2021

Expect more virtual archaeological digs, possibly more looting and definitely more mummies in 2021.

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Dance floor where John the Baptist was condemned to death discovered, archaeologist says

Archaeologists claim that they have identified the deadly dance floor where John the Baptist — a preacher who foretold the coming of Jesus — was sentenced to death around A.D. 29.

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