Doomsday preppers are thinning out across the US, and it may be because President Trump quiets their fears. An astronaut may have committed the first space crime while aboard the International Space Station. These photos showing before and after the devastating Amazon rainforest fires puts into perspective how bad they really are. A psychiatrist who's worked with inmates where Jeffrey Epstein was held weighs in on his death. Images from a NASA satellite show the quickly increasing levels of carbon monoxide in atmosphere from the Amazon fires. This massive ton electric dump truck never uses more energy than it generates on its own — here's how that works. Here's an overview of the world's nuclear states and their arsenal.