Concept: Galaxies: Formation, Evolution, Phenomena
Why Are Some Optically Red Spirals Near-ultraviolet− r Blue?
How some red spiral galaxies retain star formation in their outer regions

Parallaxes and Proper Motions of Long Period Variable Stars Determined from VLBI and Gaia DR3
Comparing distance measurements of pulsating stars using two complementary telescope techniques

Mapping the Distant and Metal-poor Milky Way with SDSS-V
First all-sky spectroscopic map reveals distant stellar structures in the Milky Way halo

Wess-Zumino-Witten interactions of axions: three-flavor
Axion interactions with mesons in a complete three-flavor framework

Deep Chandra Observations of the z = 1.16 Relaxed, Cool-core Galaxy Cluster SPT-CL J2215-3537
X-ray observations of a rare relaxed galaxy cluster at very high redshift

RUBIES Spectroscopically Confirms the High Number Density of Quiescent Galaxies from 2 < z < 5
Early massive galaxies stopped forming stars more often than models predict

Stellar Parameters of BOSS M Dwarfs in SDSS-V DR19
Measuring temperature, gravity, and composition of millions of nearby red dwarf stars










