Galaxies

Galaxies, Robotic Spaceflight

Soft shells and strange star clusters

Deep-Sky Objects, Galaxies

Open cluster NGC 7261, globular cluster 47 Tucanae, and Bond’s Galaxy (NGC 7793)

Deep-Sky Objects, Galaxies, Stars

The double star Kurhah, open cluster NGC 7380, and barred spiral galaxy NGC 7582

Cosmology, Galaxies

Astronomers observe distant galaxy powered by primordial cosmic fuel

Galaxies

Hubble and Chandra find evidence for densest nearby galaxy

Galaxies

In some photographs of galaxy clusters, why are the arcs of a lensed galaxy blue?

Galaxies, Robotic Spaceflight

Clues to the growth of the colossus in Coma

Galaxies

Astronomers explain why disk galaxies eventually look alike

Deep-Sky Objects, Galaxies, Stars

Hubble uncovers largest known population of star clusters

Galaxies

“Red Nugget” galaxies were hiding in plain sight

Exotic Objects, Galaxies, Robotic Spaceflight

NuSTAR catches black holes on the fly

Exotic Objects, Galaxies

Black hole’s powerful jets blow material out of galaxy