In this video, the First Officer demonstrates the procedure for obtaining two successful engine starts.

The Ho 229’s stealth reputation partly comes from later claims that Reimar Horten intended to mix charcoal dust into the ...

In the 1950s, at the height of Cold War innovation, the U.S. Navy pursued a radical idea: a supersonic fighter that didn’t need a runway at all. The result was the Convair XF2Y Sea Dart, a futuristic ...

Stung by the public rebuke, Unconventional Concepts Inc. founder Michael Hopmeier has gone on the offensive, arguing that ...

Investigation finds no single cause for soldiers falling ill, just bad bolts, cold air, and apparently the soldiers ...

The SR-71 Blackbird's titanium skin was a masterpiece of thermal engineering, designed to survive conditions that would melt ...

In Colorado's summers, there are patches of white and red and brown rock mixed with deep green forests. In the winter, soft ...

When I first heard that a vacuum company had released a rocket-powered electric vehicle with physically impossible-sounding ...

First Light. Can IO Interactive make more than Hitman with a James Bond wrapper on it? (Spoilers: yes, they can) ...

But it means every blood and plasma donor will be asked the same personal questions about recent sexual partners; if they have had anal sex and their STI exposure. It’s about identifying risk, as well ...

President Donald Trump is promising to release new UFO records that he says will be “very interesting.” He says the files ...