Stars

Exotic Objects, Stars

Supernova blast provides clues to age of binary star system

Deep-Sky Objects, Galaxies, Stars

Two double stars in Aries, open cluster NGC 1245, and barred spiral galaxy NGC 1097

Alien Life, Exoplanets, Exotic Objects, Galaxies, Planets, Solar System, Stars, The Moon, The Sun

The past year’s other huge space stories

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

Exotic Objects, Stars

Exploring the third dimension of Cassiopeia A

Deep-Sky Objects, Robotic Spaceflight, Stars

Hubble views an old and mysterious cluster

Deep-Sky Objects, Galaxies, Stars

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

Deep-Sky Objects, Stars

Young stars paint spectacular stellar landscape

Stars

Spitzer and ALMA reveal a star’s bubbly birth

Galaxies, Stars

NGC 1252, Fornax A, and elliptical galaxy NGC 1407

Exotic Objects, Stars

From one collapsing star, two black holes form and fuse