Aerospace giant Lockheed Martin offered to "execute Mars Sample Return (MSR) as a firm-fixed price solution for under $3 ...

Recently, the substitution of inactive elements has been reported as a promising strategy for improving the structural stability and electrochemical performance of layered cathode materials for sodium ...

Every inch of the Concorde pushed the limits of aviation—from its titanium-strengthened aluminum skin to a nose that dropped for landing visibility. It flew at 60,000 feet and endured temperature ...