Martian clay minerals might have a much hotter origin

(Phys.org)—Ancient Mars, like Earth today, was a diverse planet shaped by many different geologic processes. So when scientists, using rovers or orbiting spacecraft, detect a particular mineral there, they must often consider ...

New analysis of clay deposits in ancient Martian Lakes

Mars was once a much wetter world than it is now, with hot springs, rivers, lakes and perhaps even oceans. Just how wet exactly, and for how long, is still a subject of considerable debate. One vital clue comes from clay ...

Green cats eye up new kitty litter

(PhysOrg.com) -- Scratching around in the kitty tray could soon be a greener experience for cats in the UK and world-wide, thanks to a new type of low-cost cat litter developed by researchers at Imperial College London, in ...

NASA spacecraft provides travel tips for Mars rover

(PhysOrg.com) -- NASA's Mars Opportunity rover is getting important tips from an orbiting spacecraft as it explores areas that might hold clues about past Martian environments.

Image: July 7, 2003, NASA's Opportunity rover launches to Mars

On July 7, 2003, NASA launched its second Mars Exploration Rover, Opportunity, aboard a Delta II launch vehicle. Opportunity's dash to Mars began with liftoff at 11:18:15 p.m. EDT from Cape Canaveral Air Force Station, Florida.

Clay can be used for carbon capture

Carbon capture will play a central role in helping the nations of the world manage and reduce their greenhouse gas emissions. Many materials are being tested for the purpose of capturing CO2. New results show that ordinary ...

Carbon dioxide "breathing phenomenon" found in clay minerals

Japanese researchers have discovered a new phenomenon whereby carbonate ions (CO32−) in a clay mineral called "hydrotalcite" are repeatedly exchanged with carbon dioxide (CO2) in the air, quickly over several days, as if ...

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