Russia is promoting its new S-500 Prometheus as the first air and missile shield designed from the ground up to hunt fifth ...

Under an almost-moonless Crimean sky, SBU Alpha sent heavy-warhead drones into Belbek and punched holes through Russia’s ...

When Donald Trump wasn’t busy falling asleep in front of the cameras, he spent his first year in office struggling to form ...

Life can be scary, and a lot of times we push certain fears aside just to get through the day. But when those fears show up ...

Perhaps less well publicized is the fact that its extraordinarily high sustainment cost is the driving factor behind its early retirement. The B-2 Spirit Bomber was intended to replace the Boeing B-52 ...

From nuclear fusion and biosecurity to delivery robots and online college, here’s a detailed look at Sam Altman’s startup ...