Hurricane Katrina in 2005 ranks as one of the deadliest and costliest U.S. storms, causing over 1,800 deaths and $100 billion in damage.

August 29 marks 20 years since Hurricane Katrina made history as one of the most devastating natural disasters in the United ...

Sean Gallup // Getty Images 20 of the biggest environmental disasters in history A sign warns of radiation contamination near former apartment buildings.

On the 20th anniversary of Hurricane Katrina, the deadliest natural disaster in U.S. history, experts are warning that President Trump's cuts to FEMA are harming America's disaster preparedness.

Hawaii's Gov. Josh Green is calling the fires the largest natural disaster in the state's history. The historic Hawaiian city of Lahaina is now smoldering ruins. Green toured the devastation Thursday.

The Los Angeles wildfires and severe spring thunderstorms are some of the natural disasters that have contributed to global ...