On Ellesmere Island in the Arctic, on one of the northernmost points of land in the world, sits a small permanent seismic ...

Radioactive materials are found naturally in the Earth. But even so, saying an area is radioactive can conjure up images of ...

The Semipalatinsk Test Site, also called the Polygon, is lesser known but was used by the Soviet Union to test nuclear ...

A moderately strong, 5.0-magnitude earthquake struck in Texas on Friday, according to the United States Geological Survey.

A minor, 3.5-magnitude earthquake struck in Southern California on Saturday, according to the United States Geological Survey ...

An earthquake with a preliminary magnitude of 3.5 rattled the L.A. metropolitan area early Saturday just hours after a 3.8-magnitude quake shook the Malibu area shortly before midnight Friday.

A 7.6-magnitude earthquake in the Caribbean Sea Saturday triggered tsunami warnings for Cuba and the Cayman Islands and ...

A 4.8 magnitude earthquake struck the Greek island of Santorini on Tuesday, following a series of tremors that began earlier in the month. The earthquakes have prompted a state of emergency ...

A powerful 7.6 magnitude earthquake in the Caribbean Sea Saturday night, north of Honduras and southwest of the Cayman Islands, briefly triggered tsunami alerts that were later lifted. The U.S ...

SAN JUAN, Puerto Rico - A Tsunami Advisory was in effect for Puerto Rico and nearby islands for part of Saturday evening after a powerful earthquake struck between Honduras and the Cayman Islands ...

California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...

Authorities have declared a state of emergency on a second Greek island as a series of earthquakes continued to rattle the south-eastern Aegean Sea region ATHENS, Greece -- Authorities declared a ...