2-kiloparsec trail of stars could reveal how dark matter shapes galaxies
A thin ribbon of stars around the ultra-diffuse galaxy UGC 9050-Dw1 may be the first globular-cluster stellar stream…
Sombrero Galaxy Shines in Stunning New Image from Dark Energy Camera
The Dark Energy Camera, a powerful 570-megapixel camera mounted on NSF’s Víctor M. Blanco 4-m telescope at Cerro…
Gaia Detected an Entire Swarm of Black Holes Traveling Through The Milky Way
A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a…
Rubin Observatory Finds Massive Stellar Stream Around Spiral Galaxy M61
A close-up on two spiral galactic members of the Virgo Cluster (NGC 4301 on the left, and Messier…