Following the Sept. 11, 2001, attacks on the World Trade Center and the Pentagon, many experts have become more concerned that terrorists may maliciously spread biological agents such as anthrax or smallpox.

There are places along the Mississippi River (e.g. New Orleans) where many people live in areas that would normally be flooded, were it not for levees or other flood control works.

The WTC victims were killed not just by terrorists, but by the buildings themselves.

Federal district judge Dee Benson ruled Oct. 9, 2007, that a group of news media companies could not have access to an investigation by the Mine Safety and Health Administration (MSHA) into the Crandall Canyon mine collapse in Utah Aug. 6, which killed six miners and three workers trying to rescue them.

A rule issued April 16, 2008, ostensibly to keep the public safe from shipments of highly hazardous materials by rail, has been little-understood by the public.

Two House Science subcommittees are investigating allegations that the Agency for Toxic Substance and Disease Registry (ATSDR) suppressed information on harmful levels of formaldehyde in FEMA trailers given out after Hurricane Katrina.

Suppose there were a catastrophe and you needed information fast. Would you call FEMA?

The December 2008 coal-ash spill at a Tennessee power plant has been making headlines for two weeks — but few journalists realize there are coal-ash stories to be unearthed in many communities. Here are some clues for finding them.

With hurricane season in full swing, NOAA's new resource for identifying historical hurricane tracks may be a useful tool.