Thailand urged the public to “stay aware, not scared” after a spate of offshore earthquakes sent social media into tsunami meltdown in Phuket.

Is there a question that always pops into your mind as you're driving around Knoxville? Those are the ones we're answering in Know Your Knox.

Seafloor sensors caught a rare slow quake in action. It hints at how Earth's stress is quietly released. For the first time, ...

In six U.S. states, dormant volcanoes are now showing signs of life, indicating that the era of quiet may be over as seismic ...