Methane and liquid oxygen engine hits 60% of maximum thrust during 2-sec. debut.
NASA Science Probe Breaks Ground 1 Billion Miles Past Pluto
New Horizons surveys Ultima Thule, a twin-lobed body that formed in situ in the Kuiper Belt.
SpaceX Aiming To Start BFR Tests Next Year
Company plans ‘hopper’ tech development program for interplanetary spaceship.