Many readers may remember watching "NOVA" in middle school or high school science classes, and some of us haven't seen it since -- which is a missed opportunity for both science fans and history buffs ...

Explore key military technologies in the American colonies’ fight for freedom. How did a ragtag army defeat the most powerful army in the world to win American independence? Discover the key military ...

With all the sightings of strange objects in the sky, people have been wondering for decades what these things can be. Whether it’s Roswell or Area 51, people have been convinced there have been ...