This is not the first time an 'alien' rock has been found on Mars. NASA's Curiosity rover previously identified iron–nickel meteorites in Gale Crater, including the one-metre-wide 'Lebanon' in 2014 ...
A new model that explains how canyons are formed from floods and other water discharges has discounted an erstwhile brim model, which harped on gushing water discharge in huge volumes having caused ...
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