Five years after launch, NASA’s Lucy has become the first spacecraft to enter the swarm of Trojan asteroids that leads Jupiter. Its first close encounter comes in August 2027.
Comets are rich in hydrogen cyanide, a favourite starting point for prebiotic chemistry. New modelling from Cambridge suggests almost none of it would have survived the impact.
The Vera C. Rubin Observatory has found 2026 ED138, an icy world perhaps 1,000 km across that hid for years among the crowded star fields near the Milky Way. Its size, and its status, still need confirming.
