Hydrothermal mercury: The natural story of a contaminant

An international team of researchers including scientists from the GEOMAR Helmholtz Center for Ocean Research Kiel has produced the first global estimate of mercury emissions from hydrothermal sources at mid-ocean ridges ...

Curiosity Mars Rover reroutes away from 'gator-back' rocks

NASA's Curiosity Mars rover spent most of March climbing the "Greenheugh Pediment"—a gentle slope capped by rubbly sandstone. The rover briefly summited this feature's north face two years ago; now on the pediment's southern ...

page 2 from 10