Amateur seismologists explore Earth's earthquakes in real time using a variety of map styles and parameter selections.

Thunderstorms, tornadoes, floods, and hail are just a few of the topics covered in a thorough weather preparedness guide. With descriptions of each weather phenomenon, from what causes them to how and when they occur to...

In this online interactive history worksheet, students respond to 10 short answer and essay questions about years between World Wars I and II.

Forever famous for his outsized signature on the Declaration of Independence, John Hancock was a larger than life figure in other ways as well. Part of the great Boston triumvirate that included Samuel Adams and James Otis, Hancock was a...