President Donald Trump, following talks in Switzerland, said “If Iran doesn't live up to their agreement, or if they're not ...

For generations, aerial refueling boom operators guided aircraft by looking directly through windows at the tanker’s tail.

NASA just tested a fully automated refueling coupler for spacecraft, and if it works, it could fundamentally change how deep space missions work.

Think The Walking Dead is straight-up fiction? Well, it is—but the government wants to be prepared for a real-life version anyhow. The 31-page Counter-Zombie Dominance Plan, or CONPLAN 8888-11, was ...