Appropriately named, Helene is a Trojan moon, so called because it orbits at a Lagrange point. Two protostars are hidden in a single pixel near the center of a striking hourglass-shaped nebula in this ...

NASA’s Lucy spacecraft is gearing up for an exciting flyby of the asteroid Donaldjohanson on April 20, 2025. The mission, which aims to study asteroids in the Trojan swarms orbiting Jupiter, has ...

Anne Verbiscer, a research professor in the University of Virginia’s astronomy department, will soon be working with NASA to take a closer look at Jupiter’s Trojan asteroids. Verbiscer is one of eight ...