There's an object so deadly that even standing next to it can kill you within minutes. It's also completely man-made and only ...

So now we’ve talked about all kinds of byproducts, including man-made (Fordite), nature-made (fulgurites), and one that’s a little of both (calthemites). Each of these is beautiful in its own way, but ...

Deep in the ruins of Chernobyl’s Reactor 4, hidden beneath layers of radioactive debris, lies one of the most dangerous ...