A series of moderate to minor earthquakes struck near the geologically active area in Northern California known as The Geysers south of Clear Lake Thursday morning. The earthquake swarm started just ...

Some states in the northern U.S. might have an opportunity to see the northern lights Tuesday, and recent solar activity may make the phenomenon visible in more states later this week, according to ...

A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma and Lake counties. Since Thursday, at least 131 earthquakes have been ...

An earthquake with a magnitude of 2.7 was reported in northern New Jersey, according to preliminary information from the United States Geological Survey. The epicenter was registered 2 kilometers ...

A dazzling display in the nighttime sky might be seen much farther south than usual, including parts of Iowa, Oregon and Pennsylvania, by Tuesday, forecasters said. By Nazaneen Ghaffar Nazaneen ...

Another reason to love the last weeks of summer: You may be able to see the northern lights tonight and tomorrow night in more than a dozen northern states. If you missed the recent Perseid meteor ...

A minor geomagnetic storm could produce auroras in more than a dozen states. Another dazzling display of northern lights could be visible Monday night with the prediction of a minor geomagnetic storm, ...

A recent coronal mass ejection is expected to disrupt Earth’s magnetic field once again Friday night, potentially bringing the northern lights to more than a dozen states in the northern U.S., ...