Diagram of solar system with new asteroid discoveries noted in light blue

Astronomy & Observing News

Rubin Observatory Announces 11,000 New Asteroids

The Vera C. Rubin Observatory will discover up to 500,000 solar system objects every year. It’s already starting to deliver on that promise.

Asteroid tracks in Rubin image appear like linear rainbows

Astronomy & Observing News

Rubin Observatory Detects Record-Breaking Asteroids

The Rubin Observatory has detected thousands of new asteroids, including several that spin a lot faster than expected for typical rubble piles.

The summit facility is shown on a rocky ridge. The night sky features stars and the glittering band of the Milky Way Galaxy. The sky is populated with multiple alert “pings,” representing individual alerts from Rubin that something in the sky has changed in brightness or position. Different icons represent various types of alerts, including asteroids, supernovae, active galactic nuclei, and variable stars.

Astronomy & Observing News

Rubin Observatory Sends 800,000 Alerts to Astronomers — Per Night

The Vera Rubin Observatory is seeing 800,000 astronomical alerts per night — and that number will only increase.

Another piece of the Virgo Cluster (plus background galaxies)

Astronomy & Observing News

Vera C. Rubin Observatory Releases Long-Awaited First Photos

We're now seeing the first images after years of effort and frantic last-minute fixes that pushed the new observatory to completion.

Astronomy & Observing News

Vera Rubin Observatory: Astronomy’s New Workhorse

In February 2025, Sky & Telescope contributing editor Govert Schilling visited three new astronomical observatories in northern Chile. This is the second of a three-part blog series.