NASA's two stranded astronauts conducted their first spacewalk together Thursday, stepping outside the International Space Station.
NASA's two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost ...
Lockheed Martin envisioned a revolutionary aircraft that would dwarf the Boeing 747 and Airbus A380. Designed to carry up to 900 passengers, the Lockheed Very Large Subsonic Airplane was meant to ...