New legislation will soon be introduced in Harrisburg to expand which police agencies can use radar devices. Similar ...

The Chicago area could see strong-to-severe thunderstorms on Wednesday, with snow developing overnight into Thursday.

Modern weather radars detect meteorite falls, confirming shocking daytime flashes and guiding precise recoveries.

In May, Eric and 21 News Weekend Anchor and weather forecaster Chris Cerenelli will discuss the 40th anniversary of the deadly May 31, 1985 tornado that tore through Niles and Wheatland, Pa.

Canada has chosen an Australian partnership for the over-the-horizon technology system to detect incoming missiles fired over ...