Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

A new analysis of earthquake rupture directivity provides essential insights for seismic hazard and risk assessments in urban ...

These studies show that Mars is bombarded by meteorites far more often than previously thought — about 2.5 times more ...

For centuries, the reflections of light or sound have been theorized. Scientists have always thought of another variable: ...