Travertine is not only a geological wonder but also a popular building material. Its use dates back to ancient Rome, evident ...
Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These ...
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Bleached Martian rocks offer fresh evidence of a wetter and warmer Mars: 'But where did they come from?
"You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain falling for millions of years." ...
Among the fruits of more than 80 hours the Apollo astronauts spent on the lunar surface were the treasures that came home. All told, the explorers carted back 842 pounds (382 kilograms) of Moon rocks, ...
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