Science ❯ Astronomy ❯ Celestial Events

Asteroids

Mini Moon 2003 EH1 Apophis Frequency of Asteroid Impacts Recent Near-Earth Asteroids Bennu Comet Observation 1 Ceres Asteroid Sizes Potentially Hazardous Asteroids Supernovas Close Approaches Potential Impact Risks Gravitational Trapping 2024 PT5 (3200) Phaethon Observation Visibility 2024 ON

Rubin Observatory Goes Live With Real-Time Sky Alerts, Sending 800,000 in First Night

A University of Washington–built pipeline delivers minute‑scale notices to community brokers ahead of the LSST start later this year.

2026 Sky Guide: Total Eclipse Over Iceland and Spain as NASA Targets Early-Year Artemis II