Caltech and JPL researchers identify a process involving UV light from the sun that helps explain how a moderately dense martian atmosphere 3.8 billion years ago could have evolved into the current thin one without invoking a missing carbon reservoir.
Using data from the W. M. Keck Observatory's OSIRIS spectrometer and maps from NASA's Galileo probe, researchers have mapped what may be salt deposits from the ocean below the ice onto the Jovian moon's surface.
The key to any healthy relationship is communication. Two types of microbes near the ocean floor use direct electron transfer to coordinate their symbiotic relationship—which results in the consumption of large amounts of methane from deep ocean vents.
Ken Farley, the project scientist for NASA's next Mars rover, a mission called Mars 2020, and the W.M. Keck Foundation Professor of Geochemistry at Caltech, talks about how the Mars 2020 landing site selection process is shaping up.
A team of scientists led by Caltech has pieced together the first complete account of what physically happened during the Gorkha earthquake—a picture that explains how the large temblor left the majority of low-story buildings in Kathmandu unscathed.
NASA participated for the first time in Norway's annual oil spill cleanup exercise in the North Sea on June 8 through 11. Scientists flew a specialized NASA airborne instrument to monitor a controlled release of oil into the sea.