- Space shuttle Discovery to be added to National Air and Space Museum collection
- Video: Space Shuttle Discovery circles Washington, D.C. before landing at Dulles Airport
- Killer carnivores: Titanoboa vs. T-Rex — Premieres April 1 on Smithsonian Channel
- The Smithsonian’s National Air and Space Museum opens new Public Observatory on the Mall in Washington, D.C.
- New Spitzer Space Telescope image shows space nursery