Mars, Earth
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The biggest piece of Mars on Earth is up for auction tomorrowIt weighs an amazing 54.388 pounds (24.67 kilograms). This specimen is about 70 percent larger than the next largest piece of Mars found on Earth and represents nearly 7 percent of all the martian material currently on this planet. And this stone is rare ...
With Trump’s new budget cutting NASA science programs, the Mars Sample Return mission could be replaced by a private-sector alternative.
A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.
New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it may have been on an inevitable path to being a dead world despite being so similar to Earth.