Subduction, a crucial geological process on Earth, may have begun hundreds of millions of years earlier than traditionally ...

NASA's Mars 2020 rover is continuing to explore a boundary visible from orbit dividing bright, fractured outcrop from darker, ...

In my role as a staff research associate at UC San Diego’s Scripps Institution of Oceanography, I spend time at sea about once a year deploying robotic floats with biogeochemical sensors. The floats ...