NASA gives the thumbs up for production of Dream Chaser space plane
Once in space, it will dock with the ISS, transfer cargo, then fly back to Earth
SpaceX shows off shiny Starship built for Mars travel (photos)
The orbital version is expected to be complete around June
Mathematicians discovered a computer problem that no one can ever solve
Α team of mathematicians designed a machine-learning problem called "estimating the maximum" or "EMX"