Another milestone for the Pluto-bound New Horizons mission — it’s crossing the orbit of Neptune today, as it prepares to fly by Pluto next August. In celebration, NASA is holding two live events at headquarters in Washington, D.C. starting at 1 p.m. EDT (5 p.m. UTC) today, and livestreamed above. More details below the jump. … Continue reading "Watch Live: New Horizons Crosses Neptune’s Orbit En Route To Pluto"