SDSS Collaboration et al 2026 ApJS 285 9

For nearly three decades, the Sloan Digital Sky Survey has collected photometric and spectroscopic data for millions of objects; this article describes the most substantial data release to date for SDSS-V.

The post The Nineteenth Data Release of the Sloan Digital Sky Survey appeared first on AAS Nova.

Stuart J. Robbins and Rachael H. Hoover 2026 Planet. Sci. J. 7 164

A uniform analysis of crater catalogs finds that practically all computer-generated catalogs return worse metrics than manually generated catalogs, though most catalogs do well in some areas and poorly in others.

The post A Comparison of Lunar AI-Based Crater Databases Using Uniform Criteria appeared first on AAS Nova.

Cheongho Han et al 2026 ApJ 1004 183

Three newly characterized microlensing events augment the growing list of events involving binary sources and lenses, emphasizing the importance of testing models of this complexity.

The post Four-Body Gravitational Microlensing Events Involving Both a Binary Lens and a Binary Source appeared first on AAS Nova.