Only three of these aircraft were built, with one being destroyed and two operating successfully. The X-43 testbed aircraft ...
Portal Space Systems and its CEO, Jeff Thornburg, aim to commercialize a decades-old spaceflight concept called solar thermal ...
20h
Putin Military Burns Kyiv With Nuclear Missiles; Russia Bombs Ukraine With Iskander, Kinzhal Weapons
A brutal overnight missile barrage from Russia has rocked multiple Ukrainian cities. Kyiv suffered the heaviest blows, with ...
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