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World’s Oldest 3D Map Discovered in Prehistoric Cave — Could Be More Than Just a Map
Carved 20,000 years ago into a French cave floor, the world’s oldest 3D map may reveal not just rivers and hills — but the ...
World’s Oldest Satellite Has Been in Space for 67 Years. Engineers Want to Bring It Home
A proposed mission seeks to retrieve Vanguard-1 and display it as an ancient relic of the space age.