NASA chooses the landing site for its Mars 2020 rover mission
The rover will be looking for signs of habitable conditions and past microbial life
Russia’s Su-57 stealth quality test caught…on tape! (videos)
"The choice of how exactly to reduce radar cross-section of an aircraft was a balancing act for engineers"
Lockheed begins manufacture of X-59 Quiet Supersonic Technology aircraft
The purpose of the QueSST X-plane is to test technologies to make commercial supersonic aircraft quiet enough to fly over populated areas