These giant rocks could roll at any moment. The fact they haven't offers a window into the shaking of ancient Earth.
“The [magnitude] 6.8 earthquake [on Nov. 10] near Cuba occurred near or within the Septentrional-Oriente Fault Zone ,” ...
Two 3.0+ earthquakes were reported in the Inland Empire on Saturday near Fontana, according to the U.S. Geological Survey. The first magnitude 3.5 earthquake happened at around 2:17 p.m. about 4.5 ...
Evidence from Colorado suggests glaciers once covered Earth to the equator, supporting the Snowball Earth theory. This ...