Galaxies

Galaxies, Stars

Infant galaxies merging near cosmic dawn

Deep-Sky Objects, Galaxies, Stars

The double star Kaffaljidhmah, open cluster NGC 654, and spiral galaxy NGC 1052

Deep-Sky Objects, Galaxies, Stars

The variable star Mira, the Owl Cluster (NGC 457), and the Little Spindle Galaxy (NGC 584)

Galaxies

Surprising image provides new tool for studying a galaxy

Galaxies, Stars

NGC 1252, Fornax A, and elliptical galaxy NGC 1407

Cosmology, Galaxies, Stars

Sukaku study points to early cosmic “seeding”

Galaxies

Galaxy growth examined like rings of a tree

Deep-Sky Objects, Galaxies

Open cluster Stock 2, the Sailboat Cluster (NGC 225), and spiral galaxy NGC 247

Galaxies, Robotic Spaceflight

NASA’s Great Observatories begin deepest-ever probe of the universe

Deep-Sky Objects, Galaxies

The Andromeda Galaxy (M31), open cluster NGC 188, and planetary nebula NGC 246

Galaxies

Astronomers discover most distant known galaxy

Galaxies

Most distant gravitational lens helps weigh galaxies but deepens a galactic mystery