A martian rock has lots of carbon on it, and it’s not clear why

Once it was clear that the finding was most likely real, the team took a closer look at the chemistry of the material nearest ...
Popular Science

Rocks may be able to release carbon dioxide as well as store it

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CNN

Colossal rock engravings may be ancient borders, study suggests

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Ancient rock ...
Science News

A Mars rover found organic carbon just sitting on a rock

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.
Popular Science

Longest rocks ever recovered from Earth’s mantle

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