"The annual gathering of Earth and space scientists in San Francisco at the American Geophysical Union meeting draws thousands of researchers, including many involved with NASA research. Gareth Funning of the University of California-Riverside talks about his work monitoring "creeping faults" in the Bay area. His NASA-sponsored project enlists high school students to document the...

"The conventional view of the history of the Earth is that the oceans became oxygen-rich to approximately the degree they are today in the Late Ediacaran Period (about 600 million years ago) after staying relatively oxygen-poor for the preceding four billion years. But biogeochemists at the University of California, Riverside have found evidence that shows...