Mars rover Opportunity examines clay clues in rock

(Phys.org) —NASA's senior Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.

Enhanced chemical weathering: A solution to the climate crisis?

Could blending of crushed rock with arable soil lower global temperatures? Researchers of Mainz University have studied global warming events from 40 and 56 million years ago to find answers. Their research paper has recently ...

Surprising phosphate finding in NASA's OSIRIS-REx asteroid sample

Scientists have eagerly awaited the opportunity to dig into the 4.3-ounce (121.6-gram) pristine asteroid Bennu sample collected by NASA's OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, and Security—Regolith ...

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