On September 11, 2001, many survivors, firefighters, and first responders described hearing what they called “explosions” ...

Popular Mechanics examines the evidence and consults the experts to refute the most persistent conspiracy theories of ...

In this video, we explore some of the dumbest megaprojects in the world, including Germany's Berlin Brandenburg Airport, Japan's most useless megaproject, and the demolition of India’s Twin Towers. 0: ...