National Security Journal on MSN

At Mach 3.1 and 70,000 feet, the XB-70 Valkyrie bomber could outrun every Russian interceptor — but the US cancelled it

In the late 1950s, the U.S. spent $800 million building a Mach 3.1 strategic bomber that could cruise above 70,000 feet and ...
Space.com on MSN

SpaceX just fired up its 33-engine Starship 'V3' Super Heavy rocket booster. When could it fly? (video)

SpaceX just took a big step toward its next Starship test flight, firing up all 33 engines of the vehicle's Super Heavy on ...

NASA Fires Up Record-Breaking Plasma Thruster for Future Mars Missions

NASA just tested a blazing-hot plasma engine that could help carry humans to Mars.
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Cadillac tests first full F1 V-6 engine in U.S.

General Motors has successfully tested Cadillac’s first full Formula 1-spec V-6 engine at its technical center in Charlotte, ...