When we think about cutting-edge technology, we usually picture Silicon Valley startups or futuristic labs. But here's the ...

Add Yahoo as a preferred source to see more of our stories on Google. Vivid scenes of battlefield decapitations and female prisoners dragged off by their hair, carved into the 1,840-year-old marble ...

For over a century, strange machining marks on Egyptian stone have defied explanation, showing levels of precision beyond even modern tools. Some researchers now connect this evidence to a dooms day ...