Latest Mark Zoback Stories
Developers of renewable energy and shale gas must overcome fundamental geological and environmental challenges if these promising energy sources are to reach their full potential.
In his State of the Union address, President Barack Obama praised the potential of the country's tremendous supply of natural gas buried in shale.
Storing massive amounts of carbon dioxide underground in an effort to combat global warming may not be easy to do because of the potential for triggering small- to moderate-sized earthquakes.
Scientists studying the San Andreas fault in California will soon be able to monitor seismic activity from deep inside the Earth's crust so they can identify patterns that might foreshadow a major quake, scientists said on Tuesday.
The San Andreas Fault Observatory at Depth (SAFOD) reached a significant goal on Aug. 2 when scientists drilled into a seismically active section of the fault approximately two miles below the surface of the Earth.
- In Roman antiquity, the return of a person who had been banished, or taken prisoner by an enemy, to his old condition and former privileges.
- In international law, that right by virtue of which persons and things taken by an enemy in war are restored to their former status when coming again under the power of the nation to which they belonged.