SUNSET: 
Trojan Asteroids Are in a Class of Their Own
Hordes of debris trapped by Jupiter and Neptune have distinct colors that mark them as possibly the last remnants of the material that built the giant planets.
Astronomy in Space with David Dickinson
NASA's Lucy & Psyche Asteroid Missions
Last week, NASA announced two new missions set to explore the earliest remnants of the solar system: asteroid 16 Psyche and Jupiter's Trojan asteroids.