December 7th is remembered as a tragic time in American history, but some scholars may not know why. The resource explains the significance of the bombing of Pearl Harbor as well as how World War II relates to American history. The...

An interview delves deep into the life of famous astronomer Neil deGrasse Tyson. 

A website looks at how we know so much about Mars—telescopes, robots, and spacecraft—and the search for martian life. Following the informational text are three questions that quiz pupils about possible life on Mars.