Commemorating the 20th anniversary of Hurricane Katrina, we’ve curated a powerful collection of stories, capturing the voices, memories, facts and feelings behind one of our nation’s most historic storms.

Illinois wasn’t always farmland. New research reveals a lost tropical world of swamps, rivers and seas frozen in the fossils of the Mazon Creek bed.

Fernand is still spinning in the Atlantic. Fortunately, it poses no threat to the U.S., or any other land areas. Here's the latest.

The Burning Man festival hadn’t started yet, but visitors to Black Rock City were already cleaning up the damage from fierce weather conditions. Watch this video to see the dust storm that swept through the camps and caused several injuries, and find out why the festival might not yet be out of the woods from Mother Nature.

A refreshing blast of cooler air will sweep across the Plains, Midwest, and parts of the South this week, giving millions a rare late-August taste of fall.