The catastrophe at a Tennessee explosives plant started in a building that made devices used for mining and detonated more than 24,000 pounds of explosives, authorities said Friday.

East Tennessee relies on alerts from agencies like the National Weather Service. Here’s what to know about emergency ...

While California hogs the spotlight when it comes to earthquake warnings, there's a sleeping giant in the heart of America ...

Community members say Accurate Energetic Systems has a good reputation, but its former president was convicted in connection with a Navy contract in 2008.

Experts warn there's a 7 to 10% chance of a magnitude 7.0 or greater earthquake in the next 50 years in the New Madrid zone.